Scat 509 Cubic Inch Rotating Kit for 409 Chevy “w” engine 509WSLCRKBI

Scat Chevy 509 Cubic Inch “409W” Big Block Low Compression Rotating Assembly fits BMP 9.600 aluminum block″

Stroke 4.000″ x Rod 6.135″ARP 2000 bolts x Piston 4.500″1.450C.H. 78cc Dome 10.1:1 compression w/16cc. Kit is Precision internally balanced by Scat in house  

Scat 4340 non-twist lightweight forged steel 4.000″ Big Block Chevy crankshaft. Requires a BMP 9.600″ aluminum block

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

Scat 4340 forged steel H-beam 6.135″ Big Block Chevy connecting rod with optional 7/16″ ARP 2000 bolts (1500hp rating).

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

Autotech 4032 forged aluminum platinum series pistons 4.500″ 1.450CH 78cc dome pistons

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 Scat in house.

Compression Ratios:

16cc chamber = 10.1:1