Manley Rotating Kit 415 12.1:1 Compression Chevy LS-1 29415R (Balanced)

Manley Chevy LS-1 415CID 12.1:1 Compression Rotating Assembly Stroke 4.000" x Rod 6.125"ARP 2000 bolts x Piston 4.070"1.115C.H. -4cc Flat top 12.1:1 w/64cc 

Compression calculated: 9.240" deck, 4.070" bore, -4cc dish, .000" PTD, 4.165"x.041"(9.0cc)Gasket, 64cc chamber

Manley 4340 non-twist lightweight forged steel 4.000" 58 tooth reluctor wheel crankshaft.

Manley 4340 forged steel H-beam 6.125" connecting rod with optional 7/16" ARP 2000 cap screws (1500hp rating).

Manley 2618 forged aluminum platinum series pistons 4.070" 1.115"CH -4cc Flat top pistons #592670C

Manley Premium chromoly wrist pins.

Total Seal 1.5mm-1.5mm-3mm piston rings.

Clevite high performance "H" series rod (narrowed) and main bearings.

Internally Precision Balanced by Manley in house. 

Compression Ratios:

64cc chamber = 12.4:1

72cc chamber = 11.1:1