Icon Premium Piston Set, IC991.040

ICON Forged Piston - Chevy 454 Rod 6.385 oc Hollow Dome.425 -38cc 1V

Hollow dome. Centered pin. Will fit AFR, RHS, Trick Flow, World, Edelbrock, Brodix, Dart and OE Chevy open chamber heads that are 118cc's or larger. Always check piston to chamber and valves to assure you have adequate operating clearance.

Sold As: Piston Set

Engine Manufacturer: Chevrolet

Engine Family: Chevrolet BB V8 Mark IV

Engine Displacement (Liters): 7.4

Engine Displacement (cubic inches): 454

Bore Size (in): 4.25

Bore Size (mm): 108

Piston Head Type: Dome

Crown (cc): -38cc

Compression Ratio: 119-11.4

Top Land: 0.36

Pin Type: Press or Floating

Alloy: 2618

Piston Material: Forged 2618 Alloy

Stroke (in): 4

Rod (mm): 162.179

Rod (in): 6.385

Pin Diameter (mm): 25.1

Make for Engine Family: General Motors

Oversizes: STD, .030, .040, .060, .070, .100.125

Year To: 2000

Compression Height IN: 1.395

Bore Diameter MM: 108

Compression Height MM: 35.4

Bore Diameter IN: 4.25

Pin Configuration: Centered

Base Number: IC991

Pin Number: .990x2.750

OE Deck Height: 9.8

Year Range: 1970-2000

Intake Valve Depth/Diameter: .275/2.420

Oversize: .040"

Year From: 1970

Lock: PRG110-3

Oversized: Yes

Pin Diameter (in): 0.99

Stroke (mm): 101.6

Ring Pack: 1/16, 1/16, 3/16

Crown Type: .425" DOME 1V