COMPCams uses two-number designations for all its engine families. JavaScript is disabled. Thank you ,This has been very helpful. This was one of the best selling/most popular cams through the years past! * 54-55 all 6 cyl except PG, 58 D-D 2 nd design,59 series 3, 60-62 series 10-30,60-61 fleetmaster exc. i have some stamps on the cam that i can see EP236 and CWC can these be used to idetify the cam. Step 3 Match the number to a Chevrolet camshaft part number listing. In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. . Four or six-cylinder can be attached to the valves. The LEA is an engine produced by General Motors for a wide variety of compact and midsize vehicles. no idea) and only pulls about 10psi vac at idle. were used. SMALL-BLOCK CAMSHAFTS AND COMPONENTS 3896962 Hydraulic flat tappet Duration @ .050" Lift (deg): I: 222 / E: 222 Maximum Lift (in) w/1.5 rocker*: I: .450 / E: .460 Lobe Centerline (deg): 114 Used in 350-/290-HP crate engine 24502476 Hydraulic flat tappet Duration @ .050" Lift (deg): I: 212 / E: 222 Maximum Lift (in) w/1.5 rocker*: I: .435 / E: .460 For online resources, check out NastyZ28.com, Kendrick-Auto.com or Chevy-Camaro.com which have detailed listings, or contact a Chevrolet parts department to identify the camshaft. I did a search as well, google and on here. Im looking into a cam to suit small block ford. For the intake centerline method, once the cam is installed and TDC is established on the degree wheel, then roll the cam around until the dial indicator signals maximum lift. The best way to identify an unknown camshaft is by identifying it with your eye or using stamped numbers engraved on the camshaft to identify it. Also a great fitting cam for the earlier 302 or 327 Solid lifter Hi-Po motors used by Corvette, Nova or Camaro. force 120hz android The GM Ecotec engine, also known by its codename L850, is a family of all-aluminium inline-four engines, displacing between 1.4 and 2.5 litres. I purchased a used hydraulic roller camshaft from a friend that was originally used in an LS1 engine. They include: Identifying with your eye. I have gone though the list of things to look for on the CC cam that came with a motor I picked up, but have not had much luck, so Im asking Jeff to have a look. This hydraulic flat tappet "454" is a good street high-performance and marine cam used in the Gen V 454 H.O. Your camshaft is important; your engine isnt meaningful without the contribution of the Camshaft. I have a new cam was told it was a comp cam # 1136 230780 any ideas on cam specks. indestructableforce - 6930 is the last four digits of the cam's casting number, 3896930, which also has a horizontal diamond for the casting symbol. Small Block Crankshaft Casting Numbers Lookup Type your crankshaft casting number in the SEARCH BOX below. My grandfather was one of their 1st employees when they started out as Cambell, Wyant, and Cannon back in the early 1900s. Speed isnt a problem with a dual camshaft and it increases the engines power. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. exhaust valves. cam 5054 i am still searching for "Three Rules of Work: Out of clutter find simplicity; From discord find harmony; In the middle of . Chevy V8 Crankshaft Casting Numbers. It is typically located in the center of the cam between the lobes. Grind numbers are HR 224/339. Their outer look tells the difference. The HI-PO color coded stripes on the camshaft end are green, orange and red. The first two numbers are the degrees of opening being 210 for the intake and 218 degrees for the exhaust given normally at .050 inch of lift. A roller camshaft has the valve opened faster and remains at a higher lift for a certain time; it allows more airflow and more power, which reduces wear. On this cam card, you will see the LSA is 112 degrees. It's for a 99-04 truck. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. journal.3.00" stroke3876768.283.forged..small journal.3.00" stroke3884577.327.forged..small journal.3.25" stroke3892690.350.forged..medium journal3.48" stroke3911001.307,327cast.medium journal3.25" stroke3911011.307,327cast.medium journal3.25" stroke3914672.327.forged..medium journal3.25" stroke3923279.302.forged..medium journal3.00" stroke3932442..267,305,350..castmedium journal3.48" stroke3941174.307,327cast.medium journal3.25" stroke3941178.302.forged..medium journal3.00" stroke3941182.350.forged..medium journal3.48" stroke3941188.350.forged..medium journal3.48" stroke3949847.283..forged or cast..sm. The suffix provides the. I only put the numbers here that I can prove, so this is a short list. 586 FM13 216 00L 1991 Z28 Engine: '94 355 LT1, GM hot cam, 1.6 RR's, Ported Heads, Dyno Don's headers, #30 SVO injectors, stock internals with skirted pistons. The identification number consists of a seven-to-eight digit code. Your email address will not be published. Match the number to a Chevrolet camshaft part number listing. [] Ask Away! In 1969, it was the cam for the 307/200hp; 327/210hp, 235hp; and 350/250hp, 255hp, 300hp. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! Camshafts are stamped by the manufacturers as a means of identification. side, aluminum10185040Bowtie, aluminum, 45cc chambers, 1st version, symmetrical ports, 263cc intake ports, splayed valves10185040Bowtie, aluminum, 45cc chambers, 2nd version, symmetrical ports, 240cc intake ports, splayed valves1020524593350.Gen.II LT1, aluminum, reverse flow cooling, 175/68cc port volumes1020764394-96350.Gen.II LT1, aluminum, reverse flow cooling, 175/68cc port volumes1020889094-96265.Gen.II, L99, 4.3 Liter V-8, cast iron, reverse flow1021533997350.Gen.III, LS1, aluminum, 68cc1022512194-95350.LT5, ZR1, DOHC, 32-valve, drvs. From the distribute drive gear down are the folloing markings: CWC, 06, C14, EP1. You can basically find it in the center of the cam between the lobes. Knowing the measurement of a lobe separation angle is another special way of telling the difference between camshafts. What Happens When the Turbo Goes on a Diesel? CAMSHAFT SPECIFICATIONS Part No. They dont own the name flat, but the lobes of roller camshafts are perfectly flat. engine P/N 10185058. How does this compare to the 69 dz 30/30/ cam? Chevy V8 BBC Block and Head Casting Numbers. To be sincere, flat tappet just owns the name flat. There are two easy ways: 1. .390 .410 310 320 1.50 in 1968, it was the cam for the 307/200hp; 327/210hp, 250hp, 275hp, 300hp; and 350/295hp. A good understanding of these factors will assist you in making a wise decision. Do not enter the -2 on dual cams part numbers or the (I) that indicates intake or (E) for exhaust. Hope weve helped you with a little more camshaft knowledge. Can you tell me the specs on this cam from these numbers? The second lobe number 3711 refers to the same family of lobesthis one specd at 269 degrees advertised with 216 degrees at 0.050-inch tappet lift with a lobe lift of 0.330 and a theoretical valve lift of 0.561-inch. The radiator, hoses, timing assembly, belts and fan will need to be removed to access the camshaft. GEN III vs GEN IV. Chevrolet "Stock" LS Camshaft. On the outside there is a Carter AFB 9637 (625CFM) sitting on an Edelbrock manifold. If you are looking for the actual Chevy engine codes that are stamped into the block during assembly, Nasty Z-28.com has an excellent block stamping number decoder. To decipher these codes, we accessed COMPs website at compcams.com. Each number has a meaning and an interpretation. 2. They dont add to the function of the camshaft itself. You can also use an analog system to identify unknown camshafts. 4485B 4391B HR112+4 R (with a line under the R ) then CC and at the bottom G1979-14. This type allows more direct airflow through the engine without having to deal with obstruction. To Develop Good Eye Habits While Driving You Should? On the shaft the #'s 1539 are stamped in one spot, and CWC is stamped in another spot. however, depending on how you want to look at it. If you have ever heard that the new style 235 gets better compression numbers with an "848" Head, look for the last three numbers of that Casting Number. While these engines were based on the GM Family II engine, the architecture was substantially re-engineered for the new Ecotec application produced since 2000. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Roller: 202/206 .403"/.415" Sept. 2019 Drag-Week Winner - N.Y. Legal Streeter - 1956 Chevy Bel-Air, http://www.msnusers.com/Chrisjunque/shoebox.msnw?action=ShowPhoto&PhotoID=2. The 8th digit of the VIN. If you are confused as to which cam you should buy for your beast, Crane has you covered. 1014789895-98350.Gen.I crate motor1015955087-953501015955187-953051015955287-953501015955387-953051017438991-94350.LT5, ZR1, DOHC, 32-valve, drvs. By visual inspection. You can make a sure bet by just selecting randomly but your engine life will be in big problem. 139536 93B2B, I have a solid roller cam has cc 950 k5462 r6 292-5 296-6 stamped on front help with specs, I am just trying to decode the cam out of my 400m. It is 8 figured random numbers and sometimes 9 figures with the last 4 numbers identifying the specific function of the Cam Shaft. The engine also had smaller 1-1/8? It is a mode of identification used by manufacturers. Now zero the indicator and turn the engine backward until the dial indicator reads roughly 0.100-inch. GM used a forged crankshaft, oil-spray cooled Hypereutectic pistons, and a hydraulic roller camshaft made to handle boost. i have a 383 chev engine ibought and would like to know what cam is in it. Chevy V8 Casting Number Locations. I have 3.55 geArs and a 3600 stall. Small Block Chevy Factory Camshafts . A pushrod is a metal tube constructed to transfer the valve motion of a lifter riding on the camshaft directly to the value. Add the two numbers together and divide by 2. Any help much appreciated. I have a cam trying to set startup timeing hr112 intake hyd .555 ext .576 duration .006 valve tapping lift 287 in 293 ex valve timing .050 open int 10 close btdc46 abdc exh :57 BBdc 5 ATC. In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. To obtain specifications on a Crower cam please enter the part number (00242, 15210, etc) or custom work order number (E23456, A7890, etc) located on the end of the camshaft. I suspect you have . One of these cams looks unused and the other at best slightly used. It means the valve is open at 255 degrees. Using stamped numbers and. Stock GM LS engine cams feature LSA anywhere from 116 to 121 degrees because GM is concerned with creating a very smooth idle. The specs you have listed above for that 115835 part number is correct, the L/S is 109* instead of 110*. (Yes or No). Show entries Search: Showing 1 to 10 of 46 entries Previous Next Big Block Crankshaft Casting Numbers Lookup In 1975, it was the cam for the 350/145hp, 155hp, 165hp; and 400/175hp. 1995 Chevrolet C1500 5.7L - obd1 - service engine code 32 - replaced map sensor and cleared codes but continues to throw code that map sensor has low voltage. Do You Get a Ticket in the Mail for Passing a School Bus? The numbers on it are, 3734R/3377R, HR13, I 3996-06. I have this small block chevy the guy says is a 418 strocker a lifter lifted off at the track but now im looking at the cam and all it has on it is a S then another set of numbers is CH2 ..its a roller set up lifter ar comp cams and so is the rockers but i have no cam spec with car when i got it so im lost . The 3709 lobe is listed as 265 degrees of advertised duration with 212 degrees at 0.050 and .328-inch lobe lift. Can I Drive my Mercedes With Check Engine Light On? 330864..68-84ovalOPEN396, 402, 366T, 427T, 454 Truck330865..68-84ovalOPEN396, 402, 366T, 427T, 454 Truck330866..68-78ovalOPEN366T, 427T330867..68-73ovalOPEN427T336765..68-78ovalOPEN427T336768..73-76ovalOPEN427T336781..73-85ovalOPEN454, 118cc chamber, 256/114cc ports343771..68-86ovalOPEN366T, 427T, 454343772..68-86ovalOPEN366T, 427T, 454343783..70-76ovalOPEN454 Truck346236..75-87ovalOPEN454, 120cc chamber, 225/116cc ports352625..70-76ovalOPEN454 Truck353049..73-84ovalOPEN454, 122cc chamber, 255/119cc ports366765..74-78ovalOPEN427T473328..68-69ovalOPEN366T3856206.65-66oval..CLOSED..396, 97cc chamber3856208.65rect..CLOSED..396/425hp, 109cc chamber 396/375hp "Z-16" Chevelle3856213.66-82oval..CLOSED..366T, 427T3856260.68oval..CLOSED..396 Truck3872702.65-66oval..CLOSED..396, 427, 98cc chamber3873858.65-67rect..CLOSED..396, 427, 109cc chamber3876875.77-85ovalOPEN427T3904390.67oval..CLOSED..396, 427, 98cc chamber3904391.67rect..CLOSED..396, 427, 107cc chamber3904392.67rect..CLOSED..427, Aluminum, L88, L89, 107cc chamber3904393.68-76ovalOPEN366T3908952.67ovalOPEN427, "M.Truck", Marine3909802.67oval..CLOSED..396, 427, 101cc chamber3917215.67-68oval..CLOSED..396, 427, 101cc chamber3917219.68-85ovalOPEN366T, 427T3919840.67-69rect..CLOSED..396, 427,107cc chamber3919842.68-69rect..CLOSED..396, 427, Aluminum L88, L89, 107cc chamber3931063.68-69oval..CLOSED..396, 402, 427, 101cc chamber3933148.69-84ovalOPEN'69 396/265hp, 366T, 427T, 112cc chamber3933149.68-76ovalOPEN427T, 122cc chamber3935401.68-76ovalOPEN427T3946074.69&71rectOPEN'69 427 L88, ZL1, Aluminum, 118cc chamber '71 454 LS6, "round exhaust port"3964290.69-70oval..CLOSED..396, 402, 427, 454, 101cc chamber Large or small hex spark plugs used3964291.69-72rect..CLOSED..396, 402, 427, 454, 109cc chamber, Large or small hex spark plugs used, crate motor usage in years after 1970.3965198.68-69oval..CLOSED..396 Truck3975950.68-70ovalOPEN396, 402 Truck, 366T, 427T3986133.68-85ovalOPEN366T, 427T, 454 Truck3986135.69-73ovalOPEN366T, 427T3986136.68-84ovalOPEN366T, 427T, 454 Truck3993820.71ovalOPEN402, 113cc chamber, 255/114 ports3993820.71-84ovalOPEN454 Passenger and Trucks, 113cc chamber, 255/114 ports3994026.71rectOPEN454 LS6, 118cc chamber3999241.72ovalOPEN402, 454, 113cc chamber, 6272292.70-78ovalOPEN402, 4546272990.70-uprectOPEN454 service replacement, used on some MKIV crate engines, 118cc chamber10045427..rect.Pontiac/Chevy Aluminum, 91cc chamber Large Port, race10049875..rect.Pontiac/Chevy Aluminum Small port, race10051128..rect.Bowtie, Aluminum 72cc chambers Symmetrical ports10051129..rect.Bowtie, Aluminum "raw" casting, Symmetrical ports10052902..ovalOPENMkIV, 427T1010114091-upoval..CLOSED..Gen.V 366T, 427T1011415691-upovalOPENGen.V & VI 454, 118cc chamber1014127996-upoval..CLOSED.."Vortec 7400", 100cc chambers1048705277-90ovalOPEN366T1236339196-upovalOPENBowtie, Aluminum, Signature Series, fits MKIV, Gen.V, Gen.VI, 110cc chamber1236340196-uprectOPENBowtie, Aluminum, Signature Series, fits MKIV, Gen.V, Gen.VI, 118cc chamber1255816201-upoval..CLOSED..Gen.VII,"Vortec 8100", 8.1L, 496, truck1256024198-upoval..CLOSED.."Vortec 7400", 100cc chambers1256293291-95ovalOPENGen.V, truck crate motor, 118cc chambers1256293391-95ovalOPENGen.V, 118cc chambers1256293400-uprectOPENGen.VI 502 Marine1401107769-uprectOPENAluminum, fits MKIV, "C-port" 118cc chamber, also sold as a "solid" head1404486184-96rect.Bowtie, Aluminum, MkIV, "raised runners", 1st design, 105cc chamber1404486196-uprect.Bowtie, Aluminum, Signature Series, fits MKIV, Gen.V, Gen.VI "raised runners", 2nd design, 115cc chamber1404486184-96rect.Bowtie, Aluminum, MkIV "raw" casting of "861" MKIV 1st design1408104578-87ovalOPEN4541408105285-87ovalOPEN366T, 427T, 454 Truck, Marked "HiPerf"1409235986-90ovalOPEN366T, 427T, Marked "HiPerf"1409236086-90ovalOPEN454 Truck, "peanut" round ports1409618870-71rectOPEN454 service replacement, also used on later Mark IV LS-6, LS-7 and 454 HO crate motors, 116cc chamber1409708891-uprectOPENGen.V 454/502 HO, 118cc chamber2450258597rect.Olds/Chevy, DRCE 2, Pro Stock aluminum, for blocks w/4.900" bore spacing2553440404rect.Olds/Chevy, DRCE 3, Pro Stock, aluminum, for blocks with 4.900" bore spacing, Oval includes both "peanut" (also called "round") ports and large oval ports, Copyright EngineRepairShop.com 2011-2023 Privacy Policy Disclaimer. The first three-digit number shows the average duration time of the lobes. How Long Does it Take for Oil to Drain Back into the Pan? item 7 1957-1963 Corvette Camshaft GM 3736098 Solid Lifter 283 Sp Hi Perf 327/340 360hp 1957-1963 Corvette Camshaft GM 3736098 Solid Lifter 283 Sp Hi Perf 327/340 360hp. 0967 is the last four digits of the GM part number. It's a used cam and it has this barcode on it. 210/218 at 0.551/0.556 at 113 degrees . Ford Au part no ! In this case: 108 + 116 = 224 degrees / 2 = 112 degrees. A stamp is not a functioning part of a camshaft. If we didn't already know this was an LS cam, the first thing we would want to do is determine the engine [], it seems like you can barely write,you need education, I bought pair of cams for my 99 mustang 4.6 i was told they are stage 2 cams but i wanted to be sure before taking old ones off can u please help me identify them will they improve my pony thank u very much sir. The only stamped markings on the front are 951758. p/n 12560967, .466/.457, 191/190, 114 LSA. Only thing is the idle mixture screws have little effect (oh no timing pointer either on order) so cant really tell timing. A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. A Solid Lifter Camshaft for 1970 1971 and 1972 Camaro Z28 or Corvette with the 350 LT1 Small Block Motor. They provide average torque to the valves. But this comes at the cost of reduced torque in the middle of the rpm band. Quick View. Smith began writing for Car Craft magazine in 1979 and became editor in 1984. With over 35 years of experience in automotive machining, you will not find a more trustworthy and reliable source of parts. They are not flat, and they are recognized with a slight crown on the face. After graduating from Iowa State University with a journalism degree in 1978, he combined his two passions: cars and writing. That number is actually the casting number of the camshaft, not the part number. It doesn't indicate a different cam or an earlier or later version. *54-55 passenger W/PG, 56-58 passenger. Many camshaft number reference sites exist online for V8 engines, but determining the camshaft specs for six- and four-cylinder engines may require contacting a Chevrolet parts department. How to Turn off Daytime Running Lights (Explained), How to Turn Off Headlights While Car is Running. How Long Does it Take Transmission Fluid to Circulate? Switching to Synthetic Oil After 100k Miles: Pros and Cons. i have removed camshaft welsh plug to see numberbut cant identify numbers help would be appricated.i nee to see what size converter i would need.numbers on cam end are z102 and also 14p. Does Your License and Registration Address Have to Match? Drivetrain: '95 T56, pro 5.0 shifter, hayes clutch, Stock 10 bolt with 3.42's That gives us our first clue where to look for the rest of the numbers. 1 BTC 42 ABC 223 30 BTC 80 ABC 290 .298 .447 114 1.5 HYD EXH. For as simple as this product appears, it is actually a very complicated piece of engineering if you study it closely. GM is recalling seven. If you happen to misplace your card, most cam companies now list all off-the-shelf cam cards on their website that you can easily print out. Analog system. Camshafts are identified by (usually) the last 4 digits of the part number and a casting symbol. 4009f/4024f 68553-06. The GM tube has the ID number as 3863151 which correlates to a L79 Cam however the stamping at the end is 920883. If it is an aftermarket service replacement cam, it may not have the same last 3 digits of the casting number cast between the lobes. Less overlap generally produces a more stable idle while more overlap makes the idle lumpier. Run-out on. A SOHC allows at least 2 to 3 valves per cylinder configuration, with more manufacturer prowess. This figure is derived by adding the intake center line plus the exhaust center line and dividing by two. (You must log in or sign up to reply here. It doesnt add to the function of the camshaft, nor does it play an important role. Every engine needs a timing device that can control the opening and closing of the intake and exhaust valves. In 1967, it was the cam for the 283/195hp; 327/210hp, 275hp, 300hp; and 350/295hp. Small Block Casting numbers Use these casting numbers to identify the exhaust manifolds you have. There are 3 different ways to select your camshaft tightly. So why did this cam not have a lope to it in the 283, from everything I am reading long . GM 6930 , 6964 and 5054. 330864: 1968 through 1991 oval port, open chamber, 2.06 in. I'll post up a pic as well. Only show this user. Good Day: It has a taper inside the lobe which ensures the lifter can spin. This sometimes is tagged stressing when you can just tell by looking at numbers, but in the absence of a degree when or dial indicator, an analog is required to make your best decision. I have more than 4 Camaro's am I Addicted? This method requires you to do a few tasks like measuring some diameters and comparing them to the database. Required fields are marked *. At one time they supplied 85% of the blanks in the world. diameter How to Start a Car with a Blown Head Gasket (Explained). Each family of cam lobes has its own numerical designation with the same basic configuration, usually encompassing multiple individual durations that also might include changes in lobe lift. Learn more about: Cookie Policy, Will a 50 Inch TV Fit in my Car? back of cam has 660 371079 front of cam has s42008L, i have a 572 hemi and i am in the process of pulling the cam but the harmonic damper is being a pain . Check this castingcarefully to determine which features it may have. However, remember what to do after replacing your camshaft sensor in your car to avoid another frustration. The car came with the two cams you identified above, Stored in cardboard tubes, With the #5054 & date 1971 stamped on tubes. This an original 1966 283 camshaft casting number is 3732798, hydraulic lifters. Carb number is stamped in this location as well as on an identification tag held on with one of the air . This advances the intake centerline by that number of degrees. Trying to find the specs on this camshaft. Any time you are making this kind of important decision about your engine, it's . Stamped numbers are 529506 and 031531. journal3.00" stroke3951130.327.forged..medium journal3.25" stroke3951529.400.cast.large journal.3.75" stroke, 10168568265.cast.medium journal3.00" stroke12552215364.cast.medium journal3.62" stroke, Gen. III, 6.0L12552216325,350,364.cast.medium journal3.62" stroke, Gen. III 5.7L LS1, 5.3L, 6.0L12553312293.cast.medium journal, 3.27" stroke, Gen. III, 4.8L12553482293.cast.medium journal, 3.27" stroke, Gen. III, 4.8L14088526305,350cast.medium journal3.48" stroke14088532350.forged..medium journal3.48" stroke14088535305,350cast.medium journal3.48" stroke14088552350.forged..medium journal3.48" strokeZR1, "LT5", 350 DOHC, 10106122350.forged..large 2.76" journal3.66"stroke, BBC TWO PIECE REAR MAIN OIL SEALS 3.76" STROKE used on '65-'90 Mark IV 366T, 396, 402, 427 or 427T, 6223.396,402,427forged, 1053 steel 7115.396,402,427forged, nitrided, cross-drilled, 5140 steel3804816.396,402,427cast3856223.396forged3863114.4023863144.396,4023874874.396,4023879621.427forged3882841.396forged, cross drilled, nitrided3882842.427forged, cross drilled, nitrided3882847.3882848.3882849.427forged3887114.396forged, nitrided, 5140 steel3904815.396,402cast, nodular iron3941180.3942411.3965746.semi finished, forged3993804.raw, 5140 steel, BBC ONE PIECE REAR MAIN OIL SEAL 3.76" STROKE used on '91-up Gen.V and Gen. VI 366T, 427T, 10114186427Tforged, 1053 steel10114187366Tcast10114189427Tcast, TWO PIECE REAR MAIN OIL SEALS 4.00" STROKE used on '70-90 Mark IV 454 or Mark IV 502, 3520.454forged, cross-drilled, 1053 steel3521.454, 502forged, cross-drilled, 5140 steel3524.454forged7416.454, 502forged, cross-drilled, 1053 steel7463.454forged336782..454cast353039..454cast353638..454359730..4543962523.454forged3963523.4543963524.454forged3967416.454forged3967463.454forged3975945.4543963521.454forged, cross drilled, 5140 steel3965753.semi finished, forged, 5140 steel3975495.4543993878.454forged10051169454forged raw casting, ONE PIECE REAR MAIN OIL SEAL 4.00" STROKE used on '91-up Gen.V and VI 454 or 502, 10114188454cast14097044454,502..forged, 1053 steel, 3732692348forged3.25" stroke3733223348forged3.25" stroke3733226348forged3.25" stroke3741640348forged3.25" stroke3741642348forged3.25" stroke3788072409forged3.50" stroke3795589409forged3.50" stroke3824553348forged3.25" stroke3829027409forged3.50" stroke, 3837466409,427 "Z11"forged3.65" stroke3838416409forged3.50" stroke, CASTING#..SIZEYEARMAIN CAP BOLTS.NOTES, 140029..35080-842330817..40072-802355909..262..75.2355909..30576-792360851..26275-762Monza V-8361979..30577-792 or 4, some Canadian assembled heavy duty blocks have 4-bolt main caps, 366245..35078-794Bowtie366286.4Bowtie, siamesed, straight nodular iron main caps, 2-piece seal, 4.00-4.150" bores, 2.45" main journals. On the home page, we looked for the Information tab and then clicked on Catalogs.
