Icon Premium Piston Kit, IC889KTD.STD

1 Set IC889.STD/1 Set 4125BD8.035

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

Sold As: Kit with Rings

Engine Manufacturer: Pontiac

Engine Family: Pontiac V8

Engine Displacement (Liters): 7.5

Engine Displacement (cubic inches): 455

Bore Size (in): 4.15

Bore Size (mm): 105.4

Piston Head Type: Dish

Crown (cc): +15cc

Compression Ratio: 71-11.0, 87-9.5, 96-8.9

Top Land: 0.307

Pin Type: Press or Floating

Stroke (in): 4.21

Oversized: No

Oversize: STD

Bore Diameter IN: 4.15

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

Base Number: IC889

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

Compression Height IN: 1.49

Bore Diameter MM: 105.4

OE Deck Height: 10.25

Pin Diameter (in): 0.98

Compression Height MM: 37.8

Year To: 1976

Alloy: 2618

Rod (mm): 168.402

Pin Configuration: Centered

Piston Material: Forged 2618 Alloy

Pin Diameter (mm): 24.9

Year Range: 1970-1976

Exhaust Valve Depth/Diameter: .220/1.960

Grade Type: Performance

Stroke (mm): 106.9

Lock: PRH107-3

Year From: 1970

Make for Engine Family: General Motors

Crown Type: DISH 2V

Pin Number: .980x3.000

Rod (in): 6.63

Intake Valve Depth/Diameter: .221/2.310