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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ESP-16021 PART NUMBER
Eagle 16021 SB Ford 331 Street Strip Rotating Assembly, -10cc Keith Black Dish Pistons$1,311.95
Ford 331 Street Strip Rotating Assembly, Cast Crankshaft 3.250 Stroke, 5.400 I-Beam Rods, Keith Black Hypereutectic -10cc Dish Pistons, 1 or 2-PC Rear Seal, Rings and Bearings Included
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SCA-1-94055 PART NUMBER
Scat 1-94055 SB Ford 331 Street And Strip Performance Rotating Assembly - 9.8:1 Icon Flat Top Pistons$1,644.95
SB Ford 331, Scat 9000 Cast Steel Crankshaft 3.250 Stroke, Scat 5.400 I-Beam Rods, Icon Forged -11cc Flat Top Pistons
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SCA-1-94105 PART NUMBER
Scat 1-94105 SB Ford 331 Street And Strip Performance Rotating Assembly - 9.6:1 Icon Dish Pistons$1,824.95
SB Ford 331, Scat 9000 Cast Steel Crankshaft 3.250 Stroke, Scat 5.400 I-Beam Rods, Icon Forged -12cc Dish Pistons
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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-1-45155 PART NUMBER
Scat 1-45155 SB Ford 331 Street And Strip Performance Rotating Assembly - 9.1:1 Icon Flat Top PistonsSpecial Price $2,370.95 Regular Price $2,420.95
SB Ford 331, Rotating Assembly, Scat 4340 Forged Steel Crankshaft 3.250 Stroke, Scat 5.400 I-Beam Rods, Icon Forged -11cc Flat Top 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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LUN-32505VRK01LUN PART NUMBER
32505VRK01LUN Lunati SB Ford 331 Voodoo Rotating Assembly - 9.6:1 Icon Dish Pistons$2,928.95
Lunati 4340 Forged Crankshaft 3.250 Stroke, 302 Main, Lunati 5.400 H-Beam Rods, Icon Premium Forged -12.6cc Dish Pistons, 2-PC Rear Seal Learn More -
ESP-16351 PART NUMBER
Eagle 16351 SB Ford 331 Street Strip Rotating Assembly, -11cc Icon Flat Top Pistons$1,463.95
SB Ford 331 Street Strip Rotating Assembly, Eagle Cast Steel Crankshaft 3.250 Stroke, Eagle 5.400 I-Beam Rods, Icon FHR Forged -11cc Flat Top Pistons, Fits 1 or 2-PC Rear Seal, Rings and Bearings Included
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ESP-16323 PART NUMBER
Eagle 16323 SB Ford 347 Street Strip Rotating Assembly, -11cc Icon Flat Top Pistons$1,463.95
Ford 347 Street Strip Rotating Assembly, Eagle Cast Steel Crankshaft 3.400 Stroke, Eagle 5.400 I-Beam Rods, Icon FHR Forged -11cc Flat Top Pistons, Fits 1 or 2-PC Rear Seal, Rings and Bearings Included
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ESP-64251 PART NUMBER
Eagle 64251 SB Ford 331 Pro Street Rotating Assembly, 9.5 Icon Flat Top PistonsSpecial Price $2,142.95 Regular Price $2,192.95
Small Block Ford 331 Street Strip Rotating Assembly Kit, Eagle 4340 Forged Steel Crankshaft 3.250 Stroke, Eagle 5.400 I-Beam Rods, Icon 4032 Forged -11cc Flat Top Pistons, Fits 1 or 2-PC Rear Seal, Rings and Bearings Included
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