Manley Rotating Kit 509 Low Compression Chevy Big Block (9.800″) 28509RHSPEC

Manley Chevy Big Block 509 cubic inch Low Compression Rotating Assembly fits 9.800″ 

Stroke 4.000″ x Rod 6.385″ARP 2000 bolts x Piston 4.500″1.395C.H. -3cc flat top 8.7:1 w/118cc Kit is Precision internally balanced by Manley in house  

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

**Crank has been heat treated, stress relieved, shot peened, nitrided and 100% magna fluxed.

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

**Rods have been heat treated, stress relieved, shot peened, nitrided and 100% magna fluxed.

Manley 2618 forged aluminum platinum series pistons 4.500″ 1.395CH -3cc flat top pistons #696100

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 Precision Balanced by Manley in house.

Compression Ratios:

112cc chamber = 9.0:1

118cc chamber = 8.7:1

124cc chamber = 8.4:1

Don’t be fooled by other look alike kits with a cheap price. Our kits come standard with name brand components, ARP 2000 Rod bolts and Clevite H-series rod and main bearings.