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-12978 PART NUMBER
Eagle 12978 LS 5.3 329 Pro Competition Rotating Assembly, 10.1 Mahle Flat Top Pistons, 58tSpecial Price $2,607.95 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 $2,790.95 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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ESP-63880 PART NUMBER
Eagle 63880 LS 5.3 363 Pro Street Rotating Assembly, 0cc Mahle Dome Pistons, 24TSpecial 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 Dome 0cc Pistons, Rings and Bearings Included, 24 Tooth Reluctor Learn More -
ESP-63980 PART NUMBER
Eagle 63980 GM LS 5.3 363 Pro Street Rotating Assembly, 0cc Mahle Dome Pistons, 58TSpecial Price $2,314.95 Regular Price $2,339.95
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 Pistons 0cc, Rings and Bearings Included, 58 Tooth Reluctor 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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