KB Hyper Performance Piston Kit, KB236KTM.040

1 Set KB236.040/1 Set 4320AM8.040

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

Base Number: KB236

Oversize: .040"

Stroke (in): 3.75

Rod (in): 6.768

Pin Configuration: Centered

Oversized: Yes

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

Year Range: 1966-1979

Alloy: 390

Bore Diameter IN: 4.32

Compression Height MM: 52.2

Compression Height IN: 2.057

Bore Diameter MM: 109.7

Pin Diameter (mm): 27.8

Pin Number: 1.094x300K

Stroke (mm): 95.3

Crown Type: STEP HEAD 2V

Year From: 1966

Piston Material: Cast 390 Hypereutectic Alloy

Year To: 1979

Exhaust Valve Depth/Diameter: .264/2.360

OE Deck Height: 10.725

Pin Diameter (in): 1.094

Grade Type: Performance

Make for Engine Family: Mopar

Intake Valve Depth/Diameter: .264/2.360

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

Lock: PRF116-3

Rod (mm): 171.9072