CNC-Motorsports offers an endless variety of Big Block Chevy 604-632 rotating assembly kits. We offer everything from mild pump gas piston kits to wild fully forged rotating assembly kits to meet your racing needs. We offer quality name brands such as; Eagle, Scat, Callies, Lunati, Crower, JE/SRP, Diamond, Mahle, CP, Keith Black, and Manley to name a few. CNC-Motorsports can customize any stroker kit to meet your specific needs. All balanced rotating assembly kits are completed in house by CNC-Motorsports. If you don’t see the BBC kit you're wanting feel free to call or email our experienced staff today.
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CAL-54008-DRP PART NUMBER
BBC 632-638 Callies Rotating Assembly, 16.9:1 Diamond Pistons, Fits SR20 Heads$6,619.95
BBC 632 638 Stroker Kit, Callies Magnum Crankshaft 4.750, Callies Ultra H Beam Rods 6.700", H Series Bearings, Diamond Pistons, Total Seal Rings, 2 Piece Rear Main Seal, Fits SR20 and Dart 20 Degree Heads
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LUN-6041-LUNJE PART NUMBER
BB Chevy 604/638 Balanced Rotating Assembly 15.2:1 JE FSR Dome Pistons, LunatiSpecial Price $3,551.95 Regular Price $3,601.95
Big Block Chevy 604 612 621 632 634 638 Stroker Kit, Lunati Crankshaft 4.750, Lunati H Beam Rods 6.700, H Series Rod and Main Bearings, JE +42cc FSR Gas Ported Dome Pistons & Rings, 2 Piece Rear Main Seal, Balanced Assembly Learn More -
LUN-6042-LUNJE PART NUMBER
BB Chevy 604/638 Balanced Rotating Assembly 16.4:1 JE FSR Dome Pistons, LunatiSpecial Price $3,551.95 Regular Price $3,601.95
Big Block Chevy 604 612 621 632 634 638 Stroker Kit, Lunati Crankshaft 4.750, Lunati H Beam Rods 6.700, H Series Rod and Main Bearings, JE +49cc FSR Gas Ported Dome Pistons & Rings, 2 Piece Rear Main Seal, Balanced Assembly Learn More -
LUN-6043-LUNJE PART NUMBER
BB Chevy 604/638 Balanced Rotating Assembly 10.2:1 JE Flat Top Pistons, LunatiSpecial Price $3,551.95 Regular Price $3,601.95
Big Block Chevy 604 612 621 632 634 638 Stroker Kit, Lunati Crankshaft 4.750, Lunati H Beam Rods 6.700, H Series Rod and Main Bearings, JE -3cc Flat top Pistons & Rings, 2 Piece Rear Main Seal, Balanced Assembly Learn More -
LUN-6044-LUNJE PART NUMBER
BB Chevy 604/638 Balanced Rotating Assembly 15.0:1 JE Dome Pistons, LunatiSpecial Price $3,276.95 Regular Price $3,326.95
Big Block Chevy 604 612 621 632 634 638 Stroker Kit, Lunati Crankshaft 4.750, Lunati H Beam Rods 6.700, H Series Rod and Main Bearings, JE +40cc Dome Pistons & Rings, 2 Piece Rear Main Seal, Balanced Assembly Learn More -
LUN-6045-LUNJE PART NUMBER
BB Chevy 632/638 Balanced Rotating Assembly 13.8:1 JE Dome Nitrous Pistons, LunatiSpecial Price $3,551.95 Regular Price $3,601.95
Big Block Chevy 632 638 Nitrous Stroker Kit, Lunati Crankshaft 4.750, Lunati H Beam Rods 6.700, H Series Rod and Main Bearings, JE +29.9cc Nitrous Dome Pistons & Rings, 2 Piece Rear Main Seal, Balanced Assembly Learn More -
LUN-6046-LUNMA PART NUMBER
BB Chevy 632/638 Balanced Rotating Assembly 15.9:1 Mahle Elite Pistons, LunatiSpecial Price $3,190.95 Regular Price $3,240.95
Big Block Chevy 632 638 Stroker Kit, Lunati Crankshaft 4.750, Lunati H Beam Rods 6.700, H Series Rod and Main Bearings, Mahle +42cc Dome Pistons & Rings, 2 Piece Rear Main Seal, Balanced Assembly Learn More -
LUN-6047-LUNWS PART NUMBER
BB Chevy 604/638 Balanced Rotating Assembly 15.4:1 Wiseco Quick 16 Pistons, LunatiSpecial Price $3,349.95 Regular Price $3,399.95
Big Block Chevy 604 632 638 Stroker Kit, Lunati Crankshaft 4.750, Lunati H Beam Rods 6.700, H Series Rod and Main Bearings, Wiseco +42cc Dome Pistons & Rings, 2 Piece Rear Main Seal, Balanced Assembly Learn More -
LUN-6048-LUNWS PART NUMBER
BB Chevy 604/638 Balanced Rotating Assembly 15.4:1 Wiseco Quick 16 Nitrous Pistons, LunatiSpecial Price $3,349.95 Regular Price $3,399.95
Big Block Chevy 604 632 638 Stroker Kit, Lunati Crankshaft 4.750, Lunati H Beam Rods 6.700, H Series Rod and Main Bearings, Wiseco +42cc Dome Nitrous Pistons & Nitrous Rings, 2 Piece Rear Main Seal, Balanced Assembly Learn More -
CAL-54006-DRP PART NUMBER
Callies BBC 632 Balanced Rotating Assembly 15.4:1 Diamond Pistons$6,619.95
BBC 604 612 621 632 634 638 Stroker Kit, Callies Magnum Crankshaft 4.750, Callies Ultra H Beam Rods 6.700", H Series Bearings, Diamond Pistons +45cc, Total Seal Rings, 2 Piece Rear Main Seal
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