Icon Premium Piston Kit, IC981KTD.040

1 Set IC981.040/ 1 Set 4125BD8.045

Centered pin. Uses BBC wrist pin diameter. Standard bore based off 4.125"- 030" will net 4.155" bore. Use Eagle 6.635 Chevy rod.

Sold As: Kit with Rings

Engine Manufacturer: Pontiac

Engine Family: Pontiac V8

Engine Displacement (Liters): 7.7

Engine Displacement (cubic inches): 468

Bore Size (in): 4.125

Bore Size (mm): 104.8

Piston Head Type: Dish

Crown (cc): +30cc

Compression Ratio: 72-9.5, 87-8.5

Top Land: 0.342

Pin Type: Press or Floating

Pin Diameter (in): 0.99

Make for Engine Family: General Motors

Pin Configuration: Centered

Oversize: .040"

Grade Type: Performance

Compression Height MM: 37.2

Exhaust Valve Depth/Diameter: .206/1.780

Stroke (mm): 108

Bore Diameter MM: 104.8

Bore Diameter IN: 4.125

Compression Height IN: 1.465

Piston Material: Forged 2618 Alloy

Pin Diameter (mm): 25.1

Oversizes: STD, .030, .040, .060, .065, .070, .075, .085

Oversized: Yes

Base Number: IC981

Alloy: 2618

Year Range: -

Crown Type: STEP DISH

Lock: PRG110-3

Rod (mm): 168.529

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

Intake Valve Depth/Diameter: .210/2.230

OE Deck Height: 10.25

Pin Number: .990x3.000

Rod (in): 6.635

Stroke (in): 4.25