Icon Premium Piston Kit, IC891KTD.040

1 Set IC891.040/1 Set 4120BD8.045

Centered pin. Use OE and Edelbrock style heads. Some stock rods may need to be narrowed and balance pad removed. STD available until stock is depleted.

Sold As: Kit with Rings

Engine Manufacturer: Pontiac

Engine Family: Pontiac V8

Engine Displacement (Liters): 6.6

Engine Displacement (cubic inches): 400

Bore Size (in): 4.12

Bore Size (mm): 104.6

Piston Head Type: Dish

Crown (cc): +14cc

Compression Ratio: 71-9.9, 87-8.6, 96-8.0

Top Land: 0.28

Pin Type: Press or Floating

Year To: 1979

Base Number: IC891

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

Stroke (in): 3.75

Year From: 1967

Pin Diameter (in): 0.98

Stroke (mm): 95.3

Intake Valve Depth/Diameter: .208/2.210

Year Range: 1967-1979

Compression Height MM: 43.7

Bore Diameter MM: 104.6

Bore Diameter IN: 4.12

Compression Height IN: 1.72

OE Deck Height: 10.25

Lock: PRH107-3

Rod (in): 6.63

Alloy: 2618

Exhaust Valve Depth/Diameter: .206/1.870

Pin Configuration: Centered

Piston Material: Forged 2618 Alloy

Crown Type: DISH 2V

Oversize: .040"

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

Oversized: Yes

Rod (mm): 168.402

Pin Diameter (mm): 24.9

Grade Type: Performance

Pin Number: .980x3.000

Make for Engine Family: General Motors