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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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 -
LUN-32505VRK02LUN PART NUMBER
32505VRK02LUN Lunati SB Ford 331 Voodoo Rotating Assembly - 10.5:1 Icon Dish Pistons$2,928.95
Lunati 4340 Forged Crankshaft 3.250 Stroke, 302 Main, Lunati 5.400 H-Beam Rods, Icon Premium Forged -4.8cc Flat Top Pistons, 2-PC Rear Seal Learn More -
CNC-3480-CSM PART NUMBER
Callies Compstar SBF 331 Stroker Kit with Mahle 8.9:1 Pistons For Twisted Wedge Head$2,629.95
SB Ford 331 Stroker Rotating Assembly Kit, Compstar Crankshaft 3.400 Stroke, Compstar 5.400 H-Beam Rods, Mahle -16cc Dish Pistons, Fits 1 or 2-PC Rear Seal
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CNC-3477-MRM PART NUMBER
SB Ford 331 Pro Rotating Assembly with Molnar Crank & Rod, Mahle -6.5cc Flat Top Pistons$2,799.95
SB Ford 331 Stroker Rotating Assembly Kit, Molnar Crankshaft 3.250 Stroke, Molnar 5.400 H-Beam Rods, Mahle -6.5cc Flat Top Pistons,, Fits 1 or 2-PC Rear Seal
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CNC-3478-MRM PART NUMBER
SB Ford 331 Rotating Assembly with Molnar Crank & Rod, Mahle -16cc Dish Pistons$2,856.95
SB Ford 331 Stroker Rotating Assembly Kit, Molnar Crankshaft 3.400 Stroke, Molnar 5.400 H-Beam Rods, Mahle -16cc Dish Pistons,, Fits 1 or 2-PC Rear Seal
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CNC-3479-MRM PART NUMBER
SB Ford 331 Pro Rotating Assembly with Molnar Crank & Rod, Mahle 10.0:1 Pistons For Twisted Wedge Head$2,799.95
SB Ford 331 Stroker Rotating Assembly Kit, Molnar Crankshaft 3.400 Stroke, Molnar 5.400 H-Beam Rods, Mahle -6cc Flat Top Pistons,, Fits 1 or 2-PC Rear Seal
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