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 $2,673.95 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 $2,692.95 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 -
CNC-12881 PART NUMBER
12881 Eagle LS 5.3 363 Stroker Rotating Assembly 9.5:1 CP Dish Pistons - BalancedSpecial Price $2,790.95 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 -
ESP-63881 PART NUMBER
Eagle 63881 LS 5.3 363 Pro Street Rotating Assembly, -16cc Mahle Dish Pistons, 24TSpecial Price $2,299.95 Regular Price $2,324.95
GM GEN III GEN IV 5300 LS 5.3 Pro Street Rotating Assembly, Eagle 4140 Forged Steel Crankshaft 4.000 Stroke, Eagle 6.125 I Beam Rods, Mahle Forged Dish Pistons -16cc, Rings and Bearings Included, 24 Tooth Reluctor
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ESP-63981 PART NUMBER
Eagle 63981 LS 5.3 363 Pro Street Rotating Assembly, -16cc Mahle Dish Pistons, 58TSpecial Price $2,299.95 Regular Price $2,324.95
GM GEN III GEN IV 5300 LS 5.3 Stroker Rotating Assembly, Eagle 4140 Forged Steel Crankshaft 4.000 Stroke, Eagle 6.125 I Beam Rods, Mahle Forged Dish Pistons -16cc, Rings and Bearings Included, 58 Tooth Reluctor Learn More -
CNC-6004-CP PART NUMBER
Eagle LS 5.3 363 Pro Street Stroker Rotating Assembly 9.5:1 CP Pistons - Balanced AssemblySpecial Price $2,425.95 Regular Price $2,450.95
GM GEN III GEN IV 5300 LS 5.3 Stroker Rotating Assembly, Eagle 4140 Forged steel Crankshaft 4.000 Stroke, Eagle 6.125 I-Beam Rods, CP Bullet Dish Pistons -13.1cc , Piston Rings, Bearings Included, Internal 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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LUN-5301-M PART NUMBER
Lunati LS 5.3L 363 Stroker Balanced Rotating Assembly, 9.4:1 Mahle PistonsSpecial Price $3,056.51 Regular Price $3,106.51
GEN III GEN IV LS 5.3 363 Rotating Assembly, Lunati Crankshaft 4.000 Stroke, Lunati 6.125 H-Beam Rods, Mahle 16cc Forged Dish Pistons, Nitrided Piston Rings, HP Bearings Included, Balanced Assembly Learn More