KB Hyper Performance Piston Kit, KB236KTM.020

1 Set KB236.020/1 Set 4320AM8.020

Centered pin. Compression height of this piston is 2.057". .075" quench dome. Suggest checking quench dome with clay for clearance. Closed chamber heads require the quench dome to be machined down.

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

Piston Head Type: Dome

Crown (cc): +6cc

Compression Ratio: 72-11.5, 80-10.7, 84-10.3, 88-9.9

Top Land: 0.22

Pin Type: Press or Floating

Piston Material: Cast 390 Hypereutectic Alloy

Compression Height IN: 2.057

Compression Height MM: 52.2

Bore Diameter MM: 109.7

Bore Diameter IN: 4.32

Rod (mm): 171.9072

Pin Configuration: Centered

Grade Type: Performance

Year To: 1979

Oversize: .020"

Stroke (mm): 95.3

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

Base Number: KB236

Oversized: Yes

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

Pin Diameter (mm): 27.8

Exhaust Valve Depth/Diameter: .264/2.360

Year From: 1966

Crown Type: STEP HEAD 2V

Pin Number: 1.094x300K

Alloy: 390

OE Deck Height: 10.725

Intake Valve Depth/Diameter: .264/2.360

Rod (in): 6.768

Make for Engine Family: Mopar

Stroke (in): 3.75

Pin Diameter (in): 1.094

Lock: PRF116-3

Year Range: 1966-1979