Icon Premium Piston Kit, IC993KTD.070

1 Set IC993.070/1 Set 4250BD8.070

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: Kit with Rings

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

Pin Diameter (in): 0.99

Stroke (mm): 108

Lock: PRG110-3

Rod (mm): 162.179

Crown Type: .425" HOLLOW DOME 1V

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

Base Number: IC993

Compression Height IN: 1.27

Compression Height MM: 32.3

Bore Diameter IN: 4.25

Bore Diameter MM: 108

OE Deck Height: 9.8

Rod (in): 6.385

Oversize: .070"

Pin Number: .990x2.750

Grade Type: Performance

Pin Diameter (mm): 25.1

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

Piston Material: Forged 2618 Alloy

Intake Valve Depth/Diameter: .275/2.420

Year Range: -

Alloy: 2618

Pin Configuration: Centered

Stroke (in): 4.25

Make for Engine Family: General Motors

Oversized: Yes