Silvolite Piston Set, 3177H.020

Silv-O-Lite Piston - Ford 391ci/6.4L (V8)

Hypereutectic. 2.950 diameter head recess.330 deep. Truck engine. Floating pin.

Sold As: Sold as a set, priced per set

Engine Manufacturer: Ford

Engine Family: Ford Big Block FT (Medium/Heavy Truck)

VIN Code: 0

Engine Displacement (Liters): 6.4

Engine Displacement (cubic inches): 391

Piston Head Type: Dish

Compression Ratio: 7.2

Top Land: 0.465

Pin Type: Floating

Second Compression Ring Thickness IN: .0781"

Compression Height IN: 1.739

Oil Ring Thickness IN: .1875"

Top Compression Ring Thickness IN: .0938"

Piston Pin Outside Diameter IN: 0.975

Bore Diameter IN: 4.05

Piston Pin Outside Diameter MM: 24.8

Compression Height MM: 44.2

Ring Pack: 3/32, 5/64, 3/16

Bore Diameter MM: 102.9

Year To: 1978

Piston Material: Cast 390 Hypereutectic Alloy

Pin Number: 0975x305A

Lock: 98

Pin Configuration: Offset

Crown Type: DISH

Base Number: 3177H

Year Range: 1964-1978

Oversize: .020"

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

Oversized: Yes

Year From: 1964