Icon Premium Piston Set, IC990.070

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

Stroke (mm): 101.6

Bore Diameter IN: 4.25

Make for Engine Family: General Motors

Alloy: 2618

Pin Diameter (mm): 25.1

Rod (mm): 155.829

Bore Diameter MM: 108

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

Piston Material: Forged 2618 Alloy

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

Pin Configuration: Centered

Compression Height IN: 1.645

Compression Height MM: 41.7

Lock: PRG110-3

Year Range: 1970-2000

Intake Valve Depth/Diameter: .275/2.420

Year From: 1970

OE Deck Height: 9.8

Pin Number: .990x2.750

Stroke (in): 4

Oversized: Yes

Year To: 2000

Rod (in): 6.135

Pin Diameter (in): 0.99

Oversize: .070"

Crown Type: .425" HOLLOW DOME 1V

Base Number: IC990