Silvolite Piston Set, 1532.020

Silv-O-Lite Piston - Pontiac 153ci/2.5L (L4)

3.070" diameter recess.226" deep. Replace in full sets only.

Sold As: Sold as a set, priced per set

Engine Manufacturer: Pontiac

Engine Family: GM L4

OE Cross Reference: 10027317

Engine Displacement (Liters): 2.5

Engine Displacement (cubic inches): 151

Piston Head Type: Dish

Crown (cc): +22.5cc

Compression Ratio: 8.2

Top Land: 0.285

Pin Type: Press

Year From: 1981

Oil Ring Thickness IN: .1875"

Top Compression Ring Thickness IN: .0625"

Piston Pin Outside Diameter IN: 0.927

Piston Pin Outside Diameter MM: 23.5

Bore Diameter MM: 101.6

Compression Height MM: 39.9

Compression Height IN: 1.57

Second Compression Ring Thickness IN: .0781"

Bore Diameter IN: 4

Ring Pack: 1/16, 5/64, 3/16 Shallow Oil Groove

Year Range: 1981-1983

Crown Type: DISH

Oversize: .020"

Oversized: Yes

Pin Configuration: Offset

Pin Number: 0927x300A

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

Piston Material: Cast 332 Alloy

Base Number: 1532

Year To: 1983