Silvolite Piston Set, 3188.040

Silv-O-Lite Piston - Ford 240ci/3.9L (L6)

2.450 diameter recess.140 deep with 4 valve reliefs.

Sold As: Sold as a set, priced per set

Engine Manufacturer: Ford

Engine Family: Ford Inline 6-Cylinder

VIN Code: 0

OE Cross Reference: C3AZ6108AF, C80Z6108A, C4AZ-B

Engine Displacement (Liters): 3.9

Engine Displacement (cubic inches): 240

Piston Head Type: Dish

Crown (cc): +10.4cc

Compression Ratio: 8.4

Top Land: 0.245

Pin Type: Press

Bore Diameter MM: 101.6

Bore Diameter IN: 4

Oil Ring Thickness IN: .1875"

Second Compression Ring Thickness IN: .0781"

Compression Height IN: 1.585

Compression Height MM: 40.3

Piston Pin Outside Diameter IN: 0.912

Top Compression Ring Thickness IN: .0781"

Year To: 1968

Piston Pin Outside Diameter MM: 23.16

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

Piston Material: Cast 332 Alloy

Base Number: 3188

Pin Configuration: Offset

Crown Type: DISH

Oversized: Yes

Year From: 1966

Oversize: .040"

Year Range: 1966-1968

Pin Number: 0912x301A

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