Manley Rotating Kit 509 12.7:1 Compression Chevy Big Block (9.800") 29509RHSPEC (Balanced)

Manley Chevy Big Block 509 cubic inch 12.7:1 Compression Rotating Assembly fits 9.800" Stroke 4.000" x Rod 6.385"with ARP 2000 bolts x Piston 4.500"1.395C.H. 43cc Dome 12.7:1 w/118cc  

Compression calculated: 9.800" deck, 4.500" bore, 43cc dome, .020" PTD, 4.540"x.039"(1o.3cc)Gasket, 119cc chamber

Manley 4340 non-twist lightweight forged steel 4.000" crankshaft. Requires a 9.800" block

Manley 4340 forged steel H-beam 6.385" connecting rod with optional 7/16" ARP 2000 cap screws (1500hp rating).

Manley 2618 forged aluminum platinum series pistons 4.500" 1.395CH 43cc dome pistons #697500

Manley Premium chromoly wrist pins.

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

Clevite high performance rod (narrowed) and main bearings.

Precision Balanced by Manley in house.

Compression Ratios:

112cc chamber = 13.6:1

118cc chamber = 12.7:1

124cc chamber = 12.0:1