KB Hyper Performance Piston Set, KB236.030

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

Rod (in): 6.768

Bore Diameter IN: 4.32

Bore Diameter MM: 109.7

Compression Height MM: 52.2

Compression Height IN: 2.057

Base Number: KB236

Make for Engine Family: Mopar

Pin Diameter (mm): 27.8

Exhaust Valve Depth/Diameter: .264/2.360

Pin Diameter (in): 1.094

Piston Material: Cast 390 Hypereutectic Alloy

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

Year To: 1979

Rod (mm): 171.9072

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

Pin Number: 1.094x300K

Alloy: 390

Lock: PRF116-3

Crown Type: STEP HEAD 2V

Pin Configuration: Centered

Year Range: 1966-1979

Oversized: Yes

Year From: 1966

OE Deck Height: 10.725

Stroke (mm): 95.3

Intake Valve Depth/Diameter: .264/2.360

Stroke (in): 3.75

Oversize: .030"