CNC-Motorsports offers the best selection of 331 stroker kits. We offer street kits with pump gas pistons to wild fully forged rotating assembly kits to meet your racing needs. We offer quality name brands such as; Eagle, Scat, Callies, K1, JE/SRP, Diamond, Wiseco, Mahle CP and Keith Black to name a few. CNC-Motorsports can customize any 331 stroker kit to meet your specific needs. All balanced 331 rotating assembly kits are completed in house by CNC-Motorsports. If you don’t see the 331 kit you're wanting feel free to call or email our experienced staff today.
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SCA-1-94155 PART NUMBER
Scat 1-94155 SB Ford 331 Street And Strip Performance Rotating Assembly - 12.4:1 Icon Dome Pistons$1,681.95
SB Ford 331, Scat 9000 Cast Steel Crankshaft 3.250 Stroke, Scat 5.400 I-Beam Rods, Icon Forged 6.8cc Dome Pistons
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SCA-1-45255 PART NUMBER
Scat 1-45255 SB Ford 331 Competition Rotating Assembly - 11.4:1 Icon Dome PistonsSpecial Price $2,569.95 Regular Price $2,619.95
SB Ford 331, Rotating Assembly, Scat 4340 Forged Steel Crankshaft 3.250 Stroke, Scat 5.400 H-Beam Rods, Icon Forged 6.8cc Dome Pistons
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ESP-64007 PART NUMBER
Eagle 64007 SB Ford 331 Pro Street Rotating Assembly, 7cc Mahle Dome PistonsSpecial Price $2,339.95 Regular Price $2,389.95
Small Block Ford 302 Pro Street Rotating Assembly Kit, Eagle 4340 Forged Steel Crankshaft 3.250 Stroke, Eagle 5.400 I-Beam Rods, 4032 Mahle +7cc Dome Pistons, Fits 1 or 2-PC Rear Seal, Rings and Bearings Included
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ESP-14007 PART NUMBER
Eagle 14007 Ford 331 Pro Competition Rotating Assembly, 7cc Mahle Dome PistonsSpecial Price $2,463.95 Regular Price $2,513.95
SBF 331 Pro Competition Rotating Assembly Kit, Eagle 4340 Forged Steel Crankshaft 3.250 Stroke, Eagle 5.400 H-Beam Rods, Mahle 4032 Forged +7cc Dome Pistons, Fits 1 or 2-PC Rear Seal, Rings and Bearings Included
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