CNC-Motorsports offers the best variety of 5.3 LS stroker kits. We offer LM7 363 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, Lunati, Crower, JE/SRP, Diamond, Mahle, CP, and Manley to name a few. CNC-Motorsports can customize any 5.3 rotating assembly kit to meet your specific needs. All balanced stroker kits are completed in house by CNC-Motorsports. If you don’t see the 5.3 LS kit you're wanting feel free to call or email our experienced staff today. GEN III 4.8L LR4, GEN IV 4.8L LY2 L20, GEN III 5.3L Vortec 5300 LM7 L59 LM4, GEN IV 5.3L LMF LH6 LY5 LMG LC9 LH8 LH9
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SCA-1-44830 PART NUMBER
1-44830 Scat LS 5.3 363 Rotating Assembly 11.2:1 Wiseco PistonsSpecial Price $3,135.95 Regular Price $3,185.95
Rotating Assembly, GM Gen III Gen IV 5300 LS 5.3 Stroker Rotating Assembly Kit, Scat 4340 Forged Steel Crankshaft 4.000 Stroke, Scat 6.125 I-Beam Rods, Wiseco Forged Flat Top Pistons -7cc, Piston Rings, Bearings, 24 Tooth Reluctor Wheel
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CS-5300-CP PART NUMBER
Compstar LS 5.3 363 Balanced Rotating Assembly, 9.5:1 CP Pistons$3,438.95
GEN III GEN IV LS 5.3 363 Stroker Rotating Assembly, Callies Compstar 4340 Forged steel Crankshaft 4.000 Stroke, Callies Compstar 6.125 H-Beam Rods, -13.1cc CP Bullet Forged Dish Pistons, Nitrided Piston Rings, HP Bearings Included, Balanced Assembly
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CS-5366-W PART NUMBER
Compstar LS 5.3 363 Balanced Rotating Assembly 10.3:1 Wiseco Pistons$3,605.95
GEN III GEN IV 363 LS 5.3 Stroker Rotating Assembly, Compstar 4340 Forged Steel Crankshaft 4.000 Stroke, Compstar 6.125 H-Beam Rods with ARP2000 Bolts, -7cc Wiseco Forged Dish Pistons, Performance Pistons Rings, H Bearings, Balanced Assembly Learn More -
MOL-5030-WS PART NUMBER
Molnar LS 5.3 363 Stroker Balanced Rotating Assembly 10.3:1 Wiseco Pistons$3,416.95
GEN III GEN IV LS 5.3 363 Stroker Kit, MolnarForged Crankshaft 4.000 Stroke, Molnar H Beam Rods 6.125, ARP2000 Bolts, -7cc Dish Wiseco Pistons, Performance Rings, H Bearings, Balanced Assembly
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CS-5350-CP PART NUMBER
Compstar LS 5.3 325 328 Balanced Rotating Assembly, 10.1:1 CP Forged Pistons$3,391.95
GEN III GEN IV LS 5.3 325 328 Rotating Assembly, Callies Compstar Crankshaft 3.622 Stroke, Callies Compstar 6.125 H-Beam Rods, -3.5cc CP Bullet Forged Flat Top Pistons, Nitrided Piston Rings, HP Bearings Included, Balanced Assembly
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CS-5351-DRP PART NUMBER
Compstar LS 5.3 325 328 Balanced Rotating Assembly 10.2:1 Diamond Pistons$3,731.95
GEN III GEN IV LS 5.3 Rotating Assembly, Callies Compstar Crankshaft 3.625 Stroke, Callies Compstar 6.125 H-Beam Rods, -2cc Diamond Flat Top Pistons, Nitrided Piston Rings, HP Bearings Included, Balanced Assembly
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CS-5352-W PART NUMBER
Compstar LS 5.3 Balanced Rotating Assembly 10.1:1 Wiseco Pistons$3,567.95
GEN III GEN IV LS 5.3 Rotating Assembly, Callies Compstar Crankshaft 3.622 Stroke, Callies Compstar 6.125 H-Beam Rods, -2.2cc Wiseco Flat Top Pistons, HP Steel Piston Rings, HP Bearings Included, Balanced Assembly Learn More -
CS-5353-M PART NUMBER
Compstar LS 5.3 325/329 Balanced Rotating Assembly, 10.0:1 Mahle Pistons *Boost Kit*$3,490.95
LS 5.3 325 327 329 Rotating Assembly, Callies Compstar Crankshaft 3.625 Stroke, Callies Compstar 6.125 H-Beam Rods, -2.1cc Mahle Powerpak Plus Flat Top Pistons, HP Steel Piston Rings, HP Bearings Included, Balanced Assembly, 1500 HP rated
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CS-5354-SRP PART NUMBER
Compstar LS 5.3 Balanced Rotating Assembly 10.5:1 SRP Professional Pistons$3,448.95
GEN III GEN IV LS 5.3 Rotating Assembly, Callies Compstar Crankshaft 3.622 Stroke, Callies Compstar 6.125 H-Beam Rods, -1.2cc SRP Professional Flat Top Pistons, Pro Seal Piston Rings, HP Bearings Included, Balanced Assembly Learn More -
CS-5355-SRP PART NUMBER
Compstar LS 5.3 Balanced Rotating Assembly 9.0:1 SRP Professional Pistons$3,448.95
Gen III Gen IV LS 5.3 Rotating Assembly, Callies Compstar Crankshaft 3.622 Stroke, Callies Compstar 6.125 H-Beam Rods, -14.7cc SRP Pro 2618 Dish Pistons, Pro Seal Piston Rings, HP Bearings Included, Balanced Assembly Learn More