Silvolite Piston Set, 3486.040

Silv-O-Lite Piston - Chevrolet 153ci/2.5L (L4)

Flat top with 4 valve reliefs.

Sold As: Sold as a set, priced per set

Engine Manufacturer: Chevrolet

Engine Family: GM L4

OE Cross Reference: 3792534, 3840148, 3860407

Engine Displacement (Liters): 2.5

Engine Displacement (cubic inches): 153

Piston Head Type: Flat

Compression Ratio: 8.5

Top Land: 0.23

Pin Type: Press

Piston Pin Outside Diameter MM: 23.5

Year From: 1962

Compression Height IN: 1.779

Second Compression Ring Thickness IN: .0781"

Bore Diameter IN: 3.875

Compression Height MM: 45.2

Top Compression Ring Thickness IN: .0781"

Bore Diameter MM: 98.4

Piston Pin Outside Diameter IN: 0.927

Oil Ring Thickness IN: .1875"

Pin Number: 0927x300A

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

Oversizes: STD, .020, .030, .040, .060, .080

Pin Configuration: Offset

Year Range: 1962-1970

Crown Type: FLAT TOP

Year To: 1970

Base Number: 3486

Piston Material: Cast 332 Alloy

Oversized: Yes

Oversize: .040"