Icon Premium Piston Kit, IC993KTD.030

1 Set IC993.030/1 Set 4250BD8.035

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

Compression Height MM: 32.3

Alloy: 2618

Bore Diameter MM: 108

Bore Diameter IN: 4.25

Compression Height IN: 1.27

Pin Diameter (in): 0.99

Stroke (mm): 108

Pin Number: .990x2.750

Base Number: IC993

Oversize: .030"

Stroke (in): 4.25

Oversized: Yes

Make for Engine Family: General Motors

Grade Type: Performance

Intake Valve Depth/Diameter: .275/2.420

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

Pin Configuration: Centered

Rod (mm): 162.179

Pin Diameter (mm): 25.1

Piston Material: Forged 2618 Alloy

OE Deck Height: 9.8

Rod (in): 6.385

Crown Type: .425" HOLLOW DOME 1V

Lock: PRG110-3

Year Range: -

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