Icon Premium Piston Set, IC991.060

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

Bore Diameter IN: 4.25

Compression Height IN: 1.395

Bore Diameter MM: 108

Compression Height MM: 35.4

Stroke (in): 4

Pin Diameter (in): 0.99

Stroke (mm): 101.6

Base Number: IC991

Pin Number: .990x2.750

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

OE Deck Height: 9.8

Pin Diameter (mm): 25.1

Oversize: .060"

Piston Material: Forged 2618 Alloy

Year To: 2000

Intake Valve Depth/Diameter: .275/2.420

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

Year Range: 1970-2000

Make for Engine Family: General Motors

Pin Configuration: Centered

Year From: 1970

Crown Type: .425" DOME 1V

Rod (mm): 162.179

Rod (in): 6.385

Oversized: Yes

Lock: PRG110-3