Description
Callies Compstar LS2 6.0L LS rotating assembly kits offer quality and reliability you can count on. Featuring fully forged crankshafts, connecting rods and forged pistons these kits are designed to make horsepower. Conservatively rated to support 1200 horsepower applications with optional upgrades. Higher horsepower applications please contact us for other kit option upgrades. Kit fits GEN III 6.0L Vortec 6000, LQ4 LQ9, GEN IV 6.0L LS2 L76 L98 L77 LY6 L96 and others
GM 6.0L 402-408 Forged Rotating Assembly kit
Compstar 4340 forged steel crankshaft 4.000 stroke, 8 Counterweight
Compstar forged 4340 steel H-Beam rods with 7/16″ ARP 2000 rod bolts, 6.125 length
Diamond 2618 forged pistons with .185 wall wrist pin, Moly skirt coating, 1.115 C/H, Fits LS1 LS2 LS3 LS6 L92 15 Degree Heads
Diamond performance steel nitrided 1.2mm steel gas nitride top rings, 1.2mm napier second ring, 3.0mm oil ring
Performance H series rod and main bearings
This Rotating assembly kit has been Internally Balanced In-house by CNC-Motorsports
Compression Ratio with 62cc heads 12.2:1
Compression Ratio with 66cc heads 11.8:1
Compression Ratio with 70cc heads 11.2:1