Icon Premium Piston Set, IC947.040

ICON Forged Piston - Chevy 489 Rod 6.385 DISH 1V

Centered pin. Spacer ring included. Made with Chevy 454 BB.

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: Dish

Crown (cc): +11.5cc

Compression Ratio: 96.5-9.5, 115-8.4, 119-8.2

Top Land: 0.35

Pin Type: Press or Floating

Pin Number: .990x2.750

Rod (in): 6.385

Base Number: IC947

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

Lock: PRG110-3

Rod (mm): 162.179

Year Range: -

Bore Diameter MM: 108

Bore Diameter IN: 4.25

Compression Height IN: 1.27

Compression Height MM: 32.3

Make for Engine Family: General Motors

Crown Type: DISH 1V

OE Deck Height: 9.8

Pin Configuration: Centered

Oversized: Yes

Oversizes: STD, .030, .040, .060, .070, .100

Piston Material: Forged 2618 Alloy

Oversize: .040"

Intake Valve Depth/Diameter: .302/2.370

Pin Diameter (in): 0.99

Pin Diameter (mm): 25.1

Alloy: 2618

Stroke (mm): 108

Stroke (in): 4.25