KB Hyper Performance Piston Kit, KB346KTM.STD

1 Set KB346.STD/1 Set 4120AM8.STD

Centered pin. Designed for use with 14 and 20 degree heads. Piston is.025 below factory deck. Check small end of rod to piston before assembly /.045" clearance per side minimum.

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): +17cc

Compression Ratio: 71-9.6, 87-8.4, 96-7.8, 111-7.1

Top Land: 0.3

Pin Type: Press or Floating

Compression Height IN: 1.71

Compression Height MM: 43.4

Pin Diameter (in): 0.98

Exhaust Valve Depth/Diameter: .248/2.210

Oversize: STD

Intake Valve Depth/Diameter: .248/2.210

OE Deck Height: 10.25

Pin Configuration: Centered

Lock: PRH107-3

Stroke (in): 3.75

Bore Diameter MM: 104.6

Bore Diameter IN: 4.12

Alloy: 390

Pin Diameter (mm): 24.9

Base Number: KB346

Stroke (mm): 95.3

Rod (mm): 168.402

Crown Type: D-CUP 2V

Piston Material: Cast 390 Hypereutectic Alloy

Pin Number: 0980x300K

Ring Pack: 5/64, 5/64, 3/16

Year From: 1967

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

Rod (in): 6.63

Oversized: No

Grade Type: Performance

Make for Engine Family: General Motors

Year Range: 1967-1979

Year To: 1979