Silvolite Piston Set, 1533HC.040

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

Hypereutectic. 3.100" diameter recess.145" deep. Full sets only. * Same as 1533H with coated skirts.

Sold As: Sold as a set, priced per set

Engine Manufacturer: Pontiac

Engine Family: GM L4

VIN Code: A, R

OE Cross Reference: 10101488, 10044245, 10112445, 10112444, 10042191, 10101488

Engine Displacement (Liters): 2.5

Engine Displacement (cubic inches): 151

Piston Head Type: Dish

Crown (cc): +15cc

Compression Ratio: 9.0, 8.3

Top Land: 0.205

Pin Type: Press

Oil Ring Thickness IN: .1875"

Bore Diameter IN: 4

Second Compression Ring Thickness IN: .0781"

Top Compression Ring Thickness IN: .0625"

Bore Diameter MM: 101.6

Compression Height IN: 1.566

Piston Pin Outside Diameter MM: 23.5

Piston Pin Outside Diameter IN: 0.927

Compression Height MM: 39.8

Pin Number: 0927x300A

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

Year Range: 1979-1993

Year From: 1979

Pin Configuration: Offset

Year To: 1993

Oversized: Yes

Oversize: .040"

Piston Material: Cast 390 Hypereutectic Alloy

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

Base Number: 1533HC

Crown Type: DISH