Icon Premium Piston Set, IC989.100

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 MM: 108

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

Year To: 2015

Stroke (mm): 95.5

Year Range: 1963-2015

Crown Type: .425" DOME 1V

Compression Height IN: 1.52

Lock: PRG110-3

Bore Diameter IN: 4.25

Compression Height MM: 38.6

Pin Diameter (in): 0.99

Stroke (in): 3.76

Oversized: Yes

Intake Valve Depth/Diameter: .275/2.420

Base Number: IC989

Make for Engine Family: General Motors

Oversize: 0.1

Alloy: 2618

OE Deck Height: 9.8

Rod (in): 6.385

Pin Diameter (mm): 25.1

Pin Number: .990x2.750

Piston Material: Forged 2618 Alloy

Pin Configuration: Centered

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

Rod (mm): 162.179