CNC-Motorsports offers an endless variety of Big Block Chevy 502 rotating assembly kits. We offer everything from mild cast kits with hypereutectic pistons 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 502 rotating assembly kit to meet your specific needs. All balanced 502 kits are completed in house by CNC-Motorsports. If you don’t see the 502 rotating assembly kit you're wanting feel free to call or email our experienced staff today.
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ESP-35400 PART NUMBEREagle 35400 BB Chevy 509 Heavy Duty Rotating Assembly 7.5 JE Dish Pistons$2,907.95GEN IV Big Block Chevy 509 Rotating Assembly Kit, Eagle 4340 Forged Steel Crankshaft 4.000 Stroke, Eagle 6.385 H Beam Rods, JE 2618 Forged -28cc Dish Pistons, 2-PC Rear Seal, Fits Short Deck 9.800 Block, Rings and Bearings Included Learn More
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ESP-35400L PART NUMBEREagle 35400L BB Chevy 502 Competition Rotating Assembly 7.7 JE Dish Pistons Gen VI$2,907.95GEN VI Big Block Chevy 509 Rotating Assembly Kit, Eagle 4340 Forged Steel Crankshaft 4.000 Stroke, Eagle 6.385 H Beam Rods, JE 2618 Forged -28cc Dish Pistons, 1-PC Rear Seal, Fits Short Deck 9.800 Block, Rings and Bearings Included Learn More
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ESP-11616 PART NUMBEREagle 11616 BB Chevy 509 Competition Rotating Assembly Kit - 8.4:1 JE Dish Pistons$2,881.95GEN IV Big Block Chevy 509 Rotating Assembly Kit, Eagle 4340 Forged Steel Crankshaft 4.000 Stroke, Eagle 6.135 H Beam Rods, JE 2618 Forged -11.5cc Dish Pistons, 2-PC Rear Seal, Fits Short Deck 9.800 Block, Rings and Bearings Included Learn More
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ESP-11127 PART NUMBER11127 Eagle BB Chevy 502 Competition Rotating Assembly Kit - 8.4:1 JE Dish Pistons *Gen VI*$2,881.95GEN VI Big Block Chevy 509 Rotating Assembly Kit, Eagle 4340 Forged Steel Crankshaft 4.000 Stroke, Eagle 6.135 H Beam Rods, JE 2618 Forged -11.5cc Dish Pistons, 1-PC Rear Seal, Fits Short Deck 9.800 Block, Rings and Bearings Included Learn More
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ESP-11600 PART NUMBEREagle 11600 BB Chevy 509 Competition Rotating Assembly Kit - 9.3:1 Mahle Flat Top Pistons$2,462.95GEN IV Big Block Chevy 509 Rotating Assembly Kit, Eagle 4340 Forged Steel Crankshaft 4.000 Stroke, Eagle 6.135 H Beam Rods, Mahle 4032 Forged -3cc Flat Top Pistons, 2-PC Rear Seal, Fits Short Deck 9.800 Block, Rings and Bearings Included Learn More
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ESP-11128 PART NUMBER11128 Eagle BB Chevy 502 Competition Rotating Assembly - 9.3:1 Mahle Flat Top Pistons *GEN VI*$2,462.95GEN VI Big Block Chevy 502 Rotating Assembly Kit, Eagle 4340 Forged Steel Crankshaft 4.000 Stroke, Eagle 6.135 H Beam Rods, Mahle 4032 Forged -3cc Flat Top Pistons, 1-PC Rear Seal, Fits Short Deck 9.800 Block, Rings and Bearings Included Learn More
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ESP-11601 PART NUMBEREagle 11601 BB Chevy 509 Competition Rotating Assembly - 10.0:1 SRP Dome Pistons$2,558.95GEN IV Big Block Chevy 509 Rotating Assembly Kit, Eagle 4340 Forged Steel Crankshaft 4.000 Stroke, Eagle 6.135 H Beam Rods, SRP 4032 Forged +17cc Dome Pistons, 2-PC Rear Seal, Fits Short Deck 9.800 Block, Rings and Bearings Included Learn More
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ESP-11605 PART NUMBEREagle 11605 BB Chevy 509 Competition Rotating Assembly Kit - 10.3:1 SRP Dome Pistons$2,558.95GEN IV Big Block Chevy 509 Rotating Assembly Kit, Eagle 4340 Forged Steel Crankshaft 4.000 Stroke, Eagle 6.385 H Beam Rods, SRP 4032 Forged +17cc Dome Pistons, 2-PC Rear Seal, Fits Short Deck 9.800 Block, Rings and Bearings Included Learn More
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ESP-11133 PART NUMBER11133 Eagle BB Chevy 502 Competition Rotating Assembly - 10.3:1 SRP Dome Pistons *GEN VI*$2,681.95GEN VI Big Block Chevy 509 Rotating Assembly Kit, Eagle 4340 Forged Steel Crankshaft 4.000 Stroke, Eagle 6.385 H Beam Rods, SRP 4032 Forged +17cc Dome Pistons, 1-PC Rear Seal, Fits Short Deck 9.800 Block, Rings and Bearings Included Learn More
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ESP-11603 PART NUMBEREagle 11603 BB Chevy 509 Competition Rotating Assembly - 12.9:1 SRP Dome Pistons$2,558.95GEN IV Big Block Chevy 509 Rotating Assembly Kit, Eagle 4340 Forged Steel Crankshaft 4.000 Stroke, Eagle 6.135 H Beam Rods, SRP 2618 Forged +41cc Dome Pistons, 2-PC Rear Seal, Fits Short Deck 9.800 Block, Rings and Bearings Included Learn More