KB Hyper Performance Piston Kit, KB237KTM.040

1 Set KB237.040/1 Set 4320AM8.040

Centered pin.

Sold As: Kit with Rings

Engine Manufacturer: Chrysler

Engine Family: Mopar Big Block RB

Engine Displacement (Liters): 7.2

Engine Displacement (cubic inches): 440

Bore Size (in): 4.32

Bore Size (mm): 109.7

Crown (cc): +9cc

Compression Ratio: 72-11.2, 80-10.3, 84-10.0, 88-9.6

Top Land: 0.275

Pin Type: Press or Floating

Compression Height MM: 52.5

Compression Height IN: 2.067

Base Number: KB237

Crown Type: FLAT TOP 2V

Exhaust Valve Depth/Diameter: .264/2.360

Oversize: .040"

Pin Number: 1.094x300K

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

Rod (mm): 171.9072

Make for Engine Family: Mopar

Lock: PRF116-3

Bore Diameter IN: 4.32

Bore Diameter MM: 109.7

Year Range: 1966-1979

Intake Valve Depth/Diameter: .264/2.360

Year To: 1979

Alloy: 390

Piston Material: Cast 390 Hypereutectic Alloy

Year From: 1966

Pin Configuration: Centered

Stroke (in): 3.75

Pin Diameter (mm): 27.8

Rod (in): 6.768

OE Deck Height: 10.725

Oversizes: STD, .020, .030, .040, .060

Grade Type: Performance

Oversized: Yes

Stroke (mm): 95.3

Pin Diameter (in): 1.094