Icon Premium Piston Kit, IC890KTD.030

1 Set IC890.030/1 Set 4120BD8.035

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): 6.6

Engine Displacement (cubic inches): 400

Bore Size (in): 4.12

Bore Size (mm): 104.6

Crown (cc): +4.5cc

Compression Ratio: 71-10.9, 87-9.3, 96-8.6

Top Land: 0.25

Pin Type: Press or Floating

Pin Diameter (mm): 24.9

Alloy: 2618

Year Range: 1967-1979

Rod (mm): 168.402

Base Number: IC890

Crown Type: FLAT TOP 2V

Stroke (mm): 95.3

OE Deck Height: 10.25

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

Year To: 1979

Bore Diameter IN: 4.12

Bore Diameter MM: 104.6

Compression Height MM: 43.7

Compression Height IN: 1.72

Intake Valve Depth/Diameter: .210/2.330

Stroke (in): 3.75

Pin Diameter (in): 0.98

Oversized: Yes

Exhaust Valve Depth/Diameter: .206/1.780

Make for Engine Family: General Motors

Year From: 1967

Pin Number: .980x3.000

Oversizes: .030, .040, .060

Rod (in): 6.63

Oversize: .030"

Pin Configuration: Centered

Lock: PRH107-3

Grade Type: Performance

Piston Material: Forged 2618 Alloy