KB Hyper Performance Piston Kit, KB133KTM.040

1 Set KB133.040/1 Set 4120AM8.040

Centered pin. Designed for use with 14 degree head, 1967 and later. 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

Crown (cc): +6cc

Compression Ratio: 71-10.7, 87-9.2, 96-8.5, 111-7.6

Top Land: 0.3

Pin Type: Press or Floating

Alloy: 390

Stroke (in): 3.75

Pin Diameter (in): 0.98

OE Deck Height: 10.25

Oversizes: .030, .040, .060

Pin Diameter (mm): 24.9

Base Number: KB133

Exhaust Valve Depth/Diameter: .240/2.140

Bore Diameter IN: 4.12

Compression Height IN: 1.71

Bore Diameter MM: 104.6

Compression Height MM: 43.4

Year To: 1979

Make for Engine Family: General Motors

Oversized: Yes

Crown Type: FLAT TOP 2V

Intake Valve Depth/Diameter: .240/2.140

Piston Material: Cast 390 Hypereutectic Alloy

Lock: PRH107-3

Year Range: 1967-1979

Rod (in): 6.63

Oversize: .040"

Grade Type: Performance

Rod (mm): 168.402

Stroke (mm): 95.3

Year From: 1967

Pin Configuration: Centered

Pin Number: 0980x300K

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