KB Hyper Performance Piston Set, KB237.020

KB Hyper Piston - Chry 440 Rod 6.768 Flat Top +5cc 2V

Centered pin.

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: Flat

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

Pin Configuration: Centered

Alloy: 390

Pin Diameter (mm): 27.8

Compression Height IN: 2.067

Pin Number: 1.094x300K

Compression Height MM: 52.5

Year To: 1979

Bore Diameter IN: 4.32

Stroke (mm): 95.3

Bore Diameter MM: 109.7

Year From: 1966

Oversize: .020"

Base Number: KB237

OE Deck Height: 10.725

Year Range: 1966-1979

Crown Type: FLAT TOP 2V

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

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

Lock: PRF116-3

Pin Diameter (in): 1.094

Piston Material: Cast 390 Hypereutectic Alloy

Rod (in): 6.768

Exhaust Valve Depth/Diameter: .264/2.360

Rod (mm): 171.9072

Oversized: Yes

Intake Valve Depth/Diameter: .264/2.360

Stroke (in): 3.75

Make for Engine Family: Mopar