F43 Series Forged 4340 Steel Crankshafts À}i`{Î{äÃÌiiVÀ>à >vÌÃ>ÀiiÝVi«Ì>Þ} ÌÕÃÌ {ä{Ó«Õ`î]ÜÌ «i`ÕÕVÕÌ>`«Àwi`VÕÌiÀ - weights, and gun-drilled main line holes. Crankshafts are nitride-hardened for increased wear resistance. Straight shot, chamfered oil holes improve lubrication.
Forged 4340 Steel Crankshafts Cranks are nitride-hardened and straightened, with large wiÌÀ>`ÕÃ>ÕÀ>ÃvÀVÀi>Ãi`ÕLÀV>̰čÀ` journals have lightening holes. Each crank has straight shot, L>V`Ài`}vÀ>ÝÕivwViVÞ°čÛ>>LiÃÌ> - dard, lightweight, and superlight models. Lightweight cranks >Àivii`}i`>`«Àwi`vÀÜi} ÌÀi`ÕV̰-Õ«iÀ - light cranks feature pendulum undercut counterweights for additional weight reduction. All cranks are micropolished and inspected.
Rod Length
Rod Journal
Part No.
Description
Stroke
SB Chevy 350 SCA4-350-3480-5700-18LW Honda Journal, 2-Pc. Rear Seal
Rod Length
Rod Journal
Part No.
Description
Stroke
3.480" 5.700" 1.888"
SB Chevy 350
SCA4-350-3480-5700-20LW Sm. Journal, 2-Pc. Rear Seal
3.480" 5.700" 2.000"
SCA4-350-3250-5700 SCA4-350-3480-5700 SCA4-350-3480-5700-2 SCA4-350-3500-5700-2 SCA4-350-3750-5700 SCA4-350-3750-5700-L † SCA4-350-3750-6000 SCA4-350-3750-6000-2 SCA4-350-3750-6000-3 SCA4-350-3875-6000 SCA4-350-3875-6000-2 SCA4-350-4000-6000 SCA4-400-3500-6000 SCA4-400-3750-5700 SCA4-400-3750-6000 SCA4-400-3750-6000-3 SCA4-400-3875-6000
Standard 3.250" 5.700" 2.100" Standard 3.480" 5.700" 2.100"
SCA4-350-3480-5700-21LW Large Journal, 2-Pc. Rear Seal
3.480" 5.700" 2.100"
Lightweight Lightweight
3.480" 5.700" 2.100" 3.500" 5.700" 2.100"
SCA4-350-3500-5700-18LW Honda Journal, 2-Pc. Rear Seal
3.500" 5.700" 1.888"
Standard 3.750" 5.700" 2.100" Standard 3.750" 5.700" 2.100" Standard 3.750" 6.000" 2.100"
SCA4-350-3500-5700-21LW Large Journal, 2-Pc. Rear Seal
3.500" 5.700" 2.100"
SCA4-350-3750-6000-21LW Large Journal, 2-Pc. Rear Seal SB Chevy 400 SCA4-400-4000-6000-21LW Large Journal, 2-Pc. Rear Seal
3.750" 6.000" 2.100"
Lightweight Superlight
3.750" 6.000" 2.100" 3.750" 6.000" 2.100"
Standard 3.875" 6.000" 2.100"
4.000" 6.000" 2.100"
Lightweight
3.875" 6.000" 2.100"
Standard 4.000" 6.000" 2.100"
SB Chevy 400
Standard 3.500" 6.000" 2.100" Standard 3.750" 5.700" 2.100" Standard 3.750" 6.000" 2.100"
Superlight
3.750" 6.000" 2.100"
Forged 4340 Pro Stock I-Beam Connecting Rods
Standard 3.875" 6.000" 2.100"
† 1-piece rear main seal.
Available for Chevy engines, rods have dowel «ÃvÀ«ÀiVÃiwÌ>`£Ó«Ìč,*V>«ÃVÀiÜð čÛ>>Li«ÀiÃÃwÌ>`LÕà i`ÛiÀÃð-` balanced sets of eight. Part No. Description
Forged 4340 H-Beam Connecting Rods *Àwi`Li>ViVÌ}À`Ã>Ài compatible with many popular stroker engines and the doweled caps provide >ÃÕ«iÀLw̰čÀ`Ã>ÀiwÌÌi`ÜÌ č,* bolts and sold in balanced sets of eight. Part No. Description Length
Length Journal
Pin
SB Chevy
SCA2-ICR5700-2000*
Bushed Press Fit Bushed Bushed Bushed Bushed Bushed Bushed
5.700" 2.000" .927" 5.700" 2.100" .927" 5.700" 2.100" .927" 5.700" 2.100" .927" 6.000" 2.000" .927" 6.000" 2.100" .927" 6.000" 2.100" .927" 6.200" 2.100" .927"
SCA2-ICR5700P SCA2-ICR5700
Journal
Pin
SCA2-ICR5700-7/16 ‡ SCA2-ICR6000-2000*
SB Chevy
SCA2-350-5700-2100 SCA2-350-6000-2100 SCA2-350-6000-2100A* SCA2-350-6000-1888-QLS † SCA2-350-6000-2000-QLS † SCA2-350-6125-2100A*
Bushed Bushed
5.700" 6.000"
2.100" 2.100" 2.100" 1.888" 2.000" 2.100" 2.100"
.927" .927" .927" .927" .927" .927" .927"
SCA2-ICR6000
SCA2-ICR6000-7/16 ‡ SCA2-ICR6200-7/16 ‡
Bushed 6.000" Bushed 6.000" Bushed 6.000" Bushed 6.125" Bushed 6.200"
‡ Premium Pro Comp rods with 7/16" fasteners. * Small rod journal 2.000" crankshaft
SCA2-350-6200-2100
* Signifies upgraded ARP 2000 cap screws. † Signifies Ultra Q-Lite Stroker connecting rods.
382 2019 OPEN WHEEL PARTS AND ACCESSORIES
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