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 NUMBER12881 Eagle LS 5.3 363 Competition Stroker Rotating Assembly, 9.2 Mahle Dish Pistons 24TSpecial Price $2,338.95 Regular Price $2,388.95GM 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
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ESP-12981 PART NUMBEREagle 12981 LS 5.3 363 Stroker Competition Rotating Assembly 9.2 Mahle Dish Pistons 58TSpecial Price $2,364.97 Regular Price $2,414.97GM 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
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ESP-12880 PART NUMBEREagle 12880 LS 5.3L 363 Competition Stroker Kit Rotating Assembly 11.3 Mahle Dome Pistons 24 ToothSpecial Price $2,338.95 Regular Price $2,388.95GM 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 Learn More
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ESP-12980 PART NUMBEREagle 12980 LS 5.3L 363 Stroker Competition Rotating Assembly 11.3 Mahle Dome Pistons 58TSpecial Price $2,364.97 Regular Price $2,414.97GM Gen III Gen IV 5300 LS 5.3 Stroker 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 Learn More
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SCA-1-44830 PART NUMBER1-44830 Scat LS 5.3 363 Rotating Assembly 11.2:1 Wiseco Pistons$2,806.95GM 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 Learn More
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SCA-1-44830BI PART NUMBER1-44830BI Scat LS 5.3 363 Rotating Assembly11.2:1 Wiseco Pistons Balanced$3,056.95GM Gen III Gen IV 5300 LS 5.3 Stroker Rotating Assembly, Scat 4340 Forged Steel Crankshaft 4.000 Stroke, Scat 6.125 I-Beam Rods, Wiseco Forged Flat Top Pistons -7cc, , Pistons Rings, Bearings, 24 Tooth Reluctor Wheel, Balanced Assembly Learn More
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ESP-12878 PART NUMBER12878 Eagle LS 5.3 329 Competition Rotating Assembly 9.7 Mahle Flat Top Pistons 24TSpecial Price $2,324.95 Regular Price $2,374.95GM 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 -4cc, Piston Rings, Bearings, 24 Tooth Reluctor Learn More
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ESP-12978 PART NUMBEREagle 12978 LS 5.3 329 Competition Rotating Assembly 9.7 Mahle Flat Top PistonsSpecial Price $2,351.95 Regular Price $2,401.95GM 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 -4cc, 58 Tooth Reluctor, Rings and Bearings Included Learn More
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CNC-12881 PART NUMBER12881 Eagle LS 5.3 363 Stroker Rotating Assembly 9.5:1 CP Dish PistonsSpecial Price $2,230.95 Regular Price $2,280.95GM 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, Learn More
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CS-5300-CP PART NUMBERCompstar LS 5.3 363 Stroker Rotating Assembly 9.5:1 CP Pistons Balanced$2,903.95GEN III GEN IV 363 LS 5.3 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 Learn More