Silvolite Piston Set, 1642H.25MM

Silv-O-Lite Piston - Oldsmobile 140.4ci/2.3L (L4)

Hypereutectic. Quad-4 engine. 2.876" diameter recess.136" deep with 4 valve reliefs.

Sold As: Sold as a set, priced per set

Engine Manufacturer: Oldsmobile

Engine Family: GM L4

VIN Code: A, D, G, 3

OE Cross Reference: 24573576

Engine Displacement (Liters): 2.3

Engine Displacement (cubic inches): 138

Piston Head Type: Dish

Crown (cc): +11.8cc

Compression Ratio: 9.1

Top Land: 0.237

Pin Type: Floating

Oversized: Yes

Bore Diameter MM: 92

Oil Ring Thickness MM: 3

Bore Diameter IN: 3.622

Piston Pin Outside Diameter IN: 0.866

Second Compression Ring Thickness MM: 1.5

Top Compression Ring Thickness MM: 1.5

Compression Height MM: 31.5

Compression Height IN: 1.24

Piston Pin Outside Diameter MM: 22

Pin Number: 0866x211A

Oversize: .25mm

Pin Configuration: Offset

Base Number: 1642H

Year Range: 1988-1994

Lock: 62A

Year From: 1988

Ring Pack: 1.5mm, 1.5mm, 3.0mm

Crown Type: DISH

Oversizes: STD 0.5mm.75mm 1.0mm 1.5mm

Year To: 1994

Piston Material: Cast 390 Hypereutectic Alloy