Silvolite Piston Set, 1630.020

Silv-O-Lite Piston - Oldsmobile 455ci/7.5L (V8)

3.031" diameter recess.320" deep.

Sold As: Sold as a set, priced per set

Engine Manufacturer: Oldsmobile

Engine Family: Oldsmobile V8

OE Cross Reference: 400571, 231110

Engine Displacement (Liters): 7.5

Engine Displacement (cubic inches): 455

Piston Head Type: Dish

Crown (cc): +37.5cc

Compression Ratio: 8.4

Top Land: 0.245

Pin Type: Press

Year Range: 1968-1976

Oil Ring Thickness IN: .1875"

Second Compression Ring Thickness IN: .0781"

Top Compression Ring Thickness IN: .0781"

Compression Height IN: 1.72

Bore Diameter MM: 104.8

Piston Pin Outside Diameter IN: 0.98

Piston Pin Outside Diameter MM: 24.9

Compression Height MM: 43.7

Bore Diameter IN: 4.125

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

Pin Number: 0980x308B

Oversize: .020"

Oversized: Yes

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

Year To: 1976

Pin Configuration: Offset

Year From: 1968

Base Number: 1630

Crown Type: DISH

Piston Material: Cast 332 Alloy