Silvolite Piston Set, 1730H.040

Silv-O-Lite Piston - GM 455ci/7.5L (V8)

Hypereutectic. 3.610" diameter recess.245" deep.

Sold As: Sold as a set, priced per set

Engine Manufacturer: GM

Engine Family: Buick V8

OE Cross Reference: 1394852

Engine Displacement (Liters): 7.5

Engine Displacement (cubic inches): 455

Piston Head Type: Dish

Crown (cc): +33cc

Compression Ratio: 8.4

Top Land: 0.215

Pin Type: Press

Oversized: Yes

Compression Height MM: 49.7

Compression Height IN: 1.955

Piston Pin Outside Diameter MM: 25.4

Piston Pin Outside Diameter IN: 1

Bore Diameter IN: 4.313

Top Compression Ring Thickness IN: .0781"

Bore Diameter MM: 109.6

Oil Ring Thickness IN: .1875"

Second Compression Ring Thickness IN: .0781"

Base Number: 1730H

Oversize: .040"

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

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

Year From: 1970

Piston Material: Cast 390 Hypereutectic Alloy

Pin Number: 1000x317A

Pin Configuration: Offset

Year Range: 1970-1976

Year To: 1976

Crown Type: DISH