Silvolite Piston Set, 1635.020

Silv-O-Lite Piston - Oldsmobile 403ci/6.6L (V8)

3.230" diameter recess.146" deep.

Sold As: Sold as a set, priced per set

Engine Manufacturer: Oldsmobile

Engine Family: Oldsmobile V8

OE Cross Reference: 556265

Engine Displacement (Liters): 6.6

Engine Displacement (cubic inches): 403

Piston Head Type: Dish

Crown (cc): +18.5cc

Compression Ratio: 7.9

Top Land: 0.23

Pin Type: Press

Oil Ring Thickness IN: .1875"

Oversized: Yes

Bore Diameter IN: 4.351

Top Compression Ring Thickness IN: .0781"

Second Compression Ring Thickness IN: .0781"

Oversizes: STD, .020, .030, .040, .060

Bore Diameter MM: 110.5

Piston Pin Outside Diameter IN: 0.98

Piston Pin Outside Diameter MM: 24.9

Compression Height IN: 1.595

Compression Height MM: 40.5

Year From: 1977

Year Range: 1977-1979

Year To: 1979

Pin Configuration: Offset

Pin Number: 0908x300B

Crown Type: DISH

Piston Material: Cast 332 Alloy

Oversize: .020"

Ring Pack: 5/64, 5/64, 3/16

Base Number: 1635