391 CID, FT Big Block
Silvolite Piston Set, 3177H.STD
SKU: 801932
Description
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
Compression Height MM: 44.2
Bore Diameter MM: 102.9
Piston Pin Outside Diameter IN: 0.975
Compression Height IN: 1.739
Second Compression Ring Thickness IN: .0781"
Oil Ring Thickness IN: .1875"
Top Compression Ring Thickness IN: .0938"
Bore Diameter IN: 4.05
Year Range: 1964-1978
Piston Pin Outside Diameter MM: 24.8
Year To: 1978
Year From: 1964
Oversized: No
Piston Material: Cast 390 Hypereutectic Alloy
Lock: 98
Pin Configuration: Offset
Oversizes: STD, .020, .030, .040, .060
Ring Pack: 3/32, 5/64, 3/16
Base Number: 3177H
Pin Number: 0975x305A
Oversize: STD
Crown Type: DISH
Specifications
- SKU
- 801932
- Category
- 391 CID, FT Big Block
