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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ESP-12881 PART NUMBER
12881 Eagle LS 5.3 363 Pro Competition Rotating Assembly, -16cc Mahle Dish Pistons, 24TSpecial Price $2,683.95 Regular Price $2,733.95
GM Gen III & IV 5300 LS 5.3 Stroker Rotating Assembly, Eagle 4340 Forged Steel Crankshaft 4.000 Stroke, Eagle 6.125 H-Beam Rods, Mahle Forged -16cc Dish Pistons, 24 Tooth Reluctor Learn More -
ESP-12981 PART NUMBER
Eagle 12981 LS 5.3 363 Pro Competition Rotating Assembly, 9.2 Mahle Dish Pistons, 58TSpecial Price $2,702.95 Regular Price $2,752.95
GM Gen III Gen IV 5300 LS 5.3 Stroker Kit, Eagle 4340 Forged Steel Crankshaft 4.000 Stroke, Eagle 6.125 H-Beam Rods, Mahle Forged Dish Pistons -16cc, 58 Tooth Reluctor, Rings and Bearings Included Learn More -
ESP-12880 PART NUMBER
Eagle 12880 LS 5.3L 363 Pro Competition Rotating Assembly, 0cc Mahle Dome Pistons, 24 ToothSpecial Price $2,683.95 Regular Price $2,733.95
GM Gen III Gen IV 5300 LS 5.3 Stroker Kit, Eagle 4340 Forged Steel Crankshaft 4.000 Stroke, Eagle 6.125 H-Beam Rods, Mahle Forged Pistons 0cc Dome, 24 Tooth Reluctor, Pistons Rings, Bearings
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ESP-12980 PART NUMBER
Eagle 12980 LS 5.3L 363 Pro Competition Rotating Assembly, 0cc Mahle Dome Pistons, 58TSpecial Price $2,702.95 Regular Price $2,752.95
GM Gen III Gen IV 5300 LS 5.3 Pro Rotating Assembly Kit, Eagle 4340 Forged Steel Crankshaft 4.000 Stroke, Eagle 6.125 H-Beam Rods, Mahle Forged Pistons 0cc Dome, 58 Tooth Reluctor, Rings and Bearings Included
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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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ESP-12878 PART NUMBER
12878 Eagle LS 5.3 329 Pro Competition Rotating Assembly, -4.2cc Mahle Flat Top Pistons, 24TSpecial Price $2,598.95 Regular Price $2,648.95
GM Gen III Gen IV 5300 LS 5.3 Stroker Rotating Assembly Kit, Eagle 4340 Forged Steel Crankshaft 3.622 Stroke, Eagle 6.100 H-Beam Rods, Mahle Forged Flat Top Pistons -4.2cc, Piston Rings, Bearings, 24 Tooth Reluctor
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ESP-12978 PART NUMBER
Eagle 12978 LS 5.3 329 Pro Competition Rotating Assembly, 10.1 Mahle Flat Top Pistons, 58tSpecial Price $2,617.95 Regular Price $2,667.95
GM LS Gen III & Gen IV 5.3L Vortec 5300 Rotating Assembly, Eagle 4340 Forged Steel Crankshaft 3.622 Stroke, Eagle 6.100 H-Beam Rods, Mahle Forged Flat Top Pistons -4.2cc, 58 Tooth Reluctor, Rings and Bearings Included
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CNC-12881 PART NUMBER
12881 Eagle LS 5.3 363 Stroker Rotating Assembly 9.5:1 CP Dish Pistons - BalancedSpecial Price $2,800.95 Regular Price $2,850.95
GM Gen III Gen IV 5300 LS 5.3 Stroker Rotating Assembly, Eagle 4340 Forged Steel Crankshaft 4.000 Stroke, Eagle 6.125 H-Beam Rods, -13.1cc CP Forged Dish Pistons, 24 Tooth Reluctor, Balanced
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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