Icon Premium Piston Set, IC993.040

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

Piston Material: Forged 2618 Alloy

Pin Diameter (mm): 25.1

Base Number: IC993

Stroke (in): 4.25

Compression Height MM: 32.3

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

Bore Diameter MM: 108

Stroke (mm): 108

Compression Height IN: 1.27

Year Range: -

Bore Diameter IN: 4.25

Alloy: 2618

Oversize: .040"

Crown Type: .425" HOLLOW DOME 1V

OE Deck Height: 9.8

Pin Diameter (in): 0.99

Pin Configuration: Centered

Lock: PRG110-3

Oversized: Yes

Make for Engine Family: General Motors

Rod (mm): 162.179

Pin Number: .990x2.750

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

Intake Valve Depth/Diameter: .275/2.420

Rod (in): 6.385