Silvolite Piston Set, 1531.040

Silv-O-Lite Piston - Pontiac 301ci/4.9L (V8)

LU8 turbo charged engine. Full circular dish.112 deep.

Sold As: Sold as a set, priced per set

Engine Manufacturer: Pontiac

Engine Family: Pontiac V8

OE Cross Reference: 10013653/59

Engine Displacement (Liters): 4.9

Engine Displacement (cubic inches): 301

Piston Head Type: Dish

Crown (cc): +13.5cc

Compression Ratio: 7.5

Top Land: 0.28

Pin Type: Press

Year To: 1981

Compression Height MM: 39.9

Bore Diameter MM: 101.6

Top Compression Ring Thickness IN: .0781"

Piston Pin Outside Diameter IN: 0.927

Oil Ring Thickness IN: .1875"

Compression Height IN: 1.57

Bore Diameter IN: 4

Piston Pin Outside Diameter MM: 23.5

Second Compression Ring Thickness IN: .0781"

Piston Material: Cast 332 Alloy

Base Number: 1531

Pin Configuration: Offset

Oversize: .040"

Ring Pack: 5/64, 5/64, 3/16 Shallow Oil Groove

Crown Type: DISH

Oversized: Yes

Pin Number: 0927x300A

Year From: 1980

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

Year Range: 1980-1981