Icon Premium Piston Set, IC989.040

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

Year From: 1963

Bore Diameter IN: 4.25

Oversized: Yes

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

Base Number: IC989

OE Deck Height: 9.8

Pin Diameter (mm): 25.1

Lock: PRG110-3

Pin Diameter (in): 0.99

Compression Height MM: 38.6

Bore Diameter MM: 108

Compression Height IN: 1.52

Oversize: .040"

Rod (mm): 162.179

Pin Number: .990x2.750

Intake Valve Depth/Diameter: .275/2.420

Alloy: 2618

Piston Material: Forged 2618 Alloy

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

Rod (in): 6.385

Pin Configuration: Centered

Crown Type: .425" DOME 1V

Stroke (mm): 95.5

Year Range: 1963-2015

Make for Engine Family: General Motors

Year To: 2015

Stroke (in): 3.76