Silvolite Piston Set, 1740H.040

Silv-O-Lite Piston - Buick 231ci/3.8L (V6)

Hypereutectic. 3.050" diameter recess.205" deep. Non-turbo.

Sold As: Sold as a set, priced per set

Engine Manufacturer: Buick

Engine Family: GM V6

VIN Code: A

OE Cross Reference: 1394558, 1249538, 12157377, 25501423, 25518053, 25527178

Engine Displacement (Liters): 3.8

Engine Displacement (cubic inches): 231

Piston Head Type: Dish

Crown (cc): +25.5cc

Compression Ratio: 8.5

Top Land: 0.303

Pin Type: Press

Oversized: Yes

Compression Height MM: 45.8

Second Compression Ring Thickness IN: .0781"

Oil Ring Thickness IN: .1875"

Bore Diameter IN: 3.8

Compression Height IN: 1.805

Piston Pin Outside Diameter MM: 23.9

Piston Pin Outside Diameter IN: 0.94

Bore Diameter MM: 96.5

Top Compression Ring Thickness IN: .0781"

Crown Type: DISH

Piston Material: Cast 390 Hypereutectic Alloy

Year From: 1975

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

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

Pin Configuration: Offset

Year Range: 1975-1987

Pin Number: 0940x302A

Oversize: .040"

Year To: 1987

Base Number: 1740H