Silvolite Piston Set, 1138.040

Silv-O-Lite Piston - Ford 428ci/7.0L (V8)

Cobra Jet. 2.593" diameter recess.120" deep with 4 valve reliefs. Floating pin.

Sold As: Sold as a set, priced per set

Engine Manufacturer: Ford

Engine Family: Ford Big Block FE

OE Cross Reference: C6AZ6108N, C6MY6108G-H, C6AZ6108AN-AR, C80Z6108G-H, C9ZZ6108G-H, C9ZZ6108Y-Z

Engine Displacement (Liters): 7

Engine Displacement (cubic inches): 428

Piston Head Type: Dish

Crown (cc): +13.5cc

Compression Ratio: 10.3

Top Land: 0.245

Pin Type: Floating

Base Number: 1138

Top Compression Ring Thickness IN: .0781"

Piston Pin Outside Diameter IN: 0.975

Compression Height MM: 42.1

Compression Height IN: 1.66

Oil Ring Thickness IN: .1875"

Bore Diameter IN: 4.13

Second Compression Ring Thickness IN: .0781"

Bore Diameter MM: 104.9

Piston Pin Outside Diameter MM: 24.8

Year To: 1970

Oversized: Yes

Crown Type: DISH

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

Pin Configuration: Offset

Pin Number: 0975x305A

Oversize: .040"

Lock: 98

Year From: 1966

Piston Material: Cast 332 Alloy

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

Year Range: 1966-1970