Icon Premium Piston Set, IC993.125

ICON Forged Piston - Chevy 489 Rod 6.385 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): 8

Engine Displacement (cubic inches): 489

Bore Size (in): 4.25

Bore Size (mm): 108

Piston Head Type: Dome

Crown (cc): -38cc

Compression Ratio: 119-12.0

Top Land: 0.34

Pin Type: Press or Floating

Compression Height MM: 32.3

Bore Diameter MM: 108

Pin Diameter (mm): 25.1

Compression Height IN: 1.27

Stroke (in): 4.25

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

Base Number: IC993

Oversize: 0.125

Bore Diameter IN: 4.25

Make for Engine Family: General Motors

Oversized: Yes

Intake Valve Depth/Diameter: .275/2.420

Lock: PRG110-3

Pin Number: .990x2.750

Crown Type: .425" HOLLOW DOME 1V

Pin Diameter (in): 0.99

Rod (in): 6.385

Year Range: -

Alloy: 2618

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

Piston Material: Forged 2618 Alloy

OE Deck Height: 9.8

Stroke (mm): 108

Pin Configuration: Centered

Rod (mm): 162.179