KB Hyper Performance Piston Set, KB236.STD

KB Hyper Piston - Chry 440, Rod 6.768, Step Head 1.+8cc 2V

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: Piston Set

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

Oversized: No

Year To: 1979

Rod (mm): 171.9072

Rod (in): 6.768

OE Deck Height: 10.725

Year From: 1966

Crown Type: STEP HEAD 2V

Stroke (mm): 95.3

Compression Height IN: 2.057

Compression Height MM: 52.2

Bore Diameter MM: 109.7

Bore Diameter IN: 4.32

Pin Diameter (in): 1.094

Lock: PRF116-3

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

Stroke (in): 3.75

Alloy: 390

Base Number: KB236

Piston Material: Cast 390 Hypereutectic Alloy

Intake Valve Depth/Diameter: .264/2.360

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

Exhaust Valve Depth/Diameter: .264/2.360

Pin Configuration: Centered

Pin Number: 1.094x300K

Pin Diameter (mm): 27.8

Make for Engine Family: Mopar

Oversize: STD

Year Range: 1966-1979