Manley Rotating Kit 427 13.7:1 Compression Chevy Small Block 290300RH (Balanced)

Manley Chevy Small Block 427CID 13.7:1 Compression Rotating Assembly Stroke 4.000" x Rod 6.000"ARP 2000 bolts x Piston 4.125"1.000C.H. +4cc Dome w/64cc 

Compression calculated: Deck 9.000" deck, 4.125" bore, +4cc dish, .010" PTD, 4.165"x.041"(9.0cc)Gasket, 64cc chamber

Manley 4340 non-twist lightweight forged steel 4.000"350 main journal crankshaft.

Manley 4340 forged steel H-beam 6.000" connecting rod with optional 7/16" ARP 2000 cap screws (1500hp rating).

Manley 2618 forged aluminum platinum series pistons 4.125" 1.100"CH +4cc Dome pistons #593800 

Manley Premium chromoly wrist pins. 

Total Seal 1/16"-1/16"-3/16" piston rings.

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

Internally Balanced by Manley.

Compression Ratios:

58cc chamber = 14.7:1

64cc chamber = 13.7:1

76cc chamber = 11.7:1