Icon Premium Piston Set, IC989.070

ICON Forged - Chevy 427 Rod 6.385;489 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

Engine Displacement (cubic inches): 427

Bore Size (in): 4.25

Bore Size (mm): 108

Piston Head Type: Dome

Crown (cc): -38cc

Compression Ratio: 119-10.8

Top Land: 0.34

Pin Type: Press or Floating

Compression Height MM: 38.6

Crown Type: .425" DOME 1V

Year From: 1963

Compression Height IN: 1.52

Pin Diameter (mm): 25.1

Make for Engine Family: General Motors

Stroke (in): 3.76

Year To: 2015

Lock: PRG110-3

Bore Diameter MM: 108

Intake Valve Depth/Diameter: .275/2.420

Bore Diameter IN: 4.25

Stroke (mm): 95.5

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

Pin Number: .990x2.750

Rod (in): 6.385

Oversized: Yes

Rod (mm): 162.179

Oversize: .070"

Base Number: IC989

OE Deck Height: 9.8

Alloy: 2618

Year Range: 1963-2015

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

Piston Material: Forged 2618 Alloy

Pin Diameter (in): 0.99

Pin Configuration: Centered