Silvolite Piston Set, 3403HC.030

Silv-O-Lite Piston - Chevrolet 454ci/7.4L (V8)

Hypereutectic. 2.000 diameter recess.065 deep with 2 valve reliefs. Truck engine. * Same as 3403H with coated skirts.

Sold As: Sold as a set, priced per set

Engine Manufacturer: Chevrolet

Engine Family: Chevy Big Block Mark IV

OE Cross Reference: 14071100, 10106471, 14071100, 10048941, 340209

Engine Displacement (Liters): 7.4

Engine Displacement (cubic inches): 454

Piston Head Type: Dish

Compression Ratio: 8.9, 9.1

Top Land: 0.224

Pin Type: Press

Oil Ring Thickness IN: .1875"

Bore Diameter IN: 4.25

Second Compression Ring Thickness IN: .0781"

Compression Height IN: 1.627

Bore Diameter MM: 108

Piston Pin Outside Diameter IN: 0.99

Top Compression Ring Thickness IN: .0781"

Piston Pin Outside Diameter MM: 25.1

Compression Height MM: 41.3

Base Number: 3403HC

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

Oversized: Yes

Crown Type: DISH

Year Range: 1981-1990

Pin Configuration: Offset

Pin Number: 0990x230A

Piston Material: Cast 390 Hypereutectic Alloy

Year From: 1981

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

Year To: 1990

Oversize: .030"