Icon Premium Piston Set, IC990.100

ICON Forged Piston - Chevy 454 Rod 6.135 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

Piston Material: Forged 2618 Alloy

Compression Height IN: 1.645

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

Pin Number: .990x2.750

Make for Engine Family: General Motors

Year To: 2000

Year Range: 1970-2000

Oversized: Yes

Bore Diameter MM: 108

Bore Diameter IN: 4.25

Compression Height MM: 41.7

Stroke (mm): 101.6

Pin Configuration: Centered

Pin Diameter (mm): 25.1

Pin Diameter (in): 0.99

Alloy: 2618

Lock: PRG110-3

Rod (in): 6.135

Crown Type: .425" HOLLOW DOME 1V

Intake Valve Depth/Diameter: .275/2.420

Stroke (in): 4

Base Number: IC990

Oversize: 0.1

Year From: 1970

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

OE Deck Height: 9.8

Rod (mm): 155.829