KB Hyper Performance Piston Set, KB184.020

KB Hyper Piston - Chry 440, Rod 6.768, Step Head.140 -3.5cc 2V

Compression height of this piston is 1.992". .140" quench dome. Suggest checking quench dome with clay for clearance. Centered pin. 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): -3.5cc

Compression Ratio: 72-10.4, 80-9.7, 84-9.3, 88-8.9

Top Land: 0.23

Pin Type: Press or Floating

Stroke (mm): 95.3

Oversized: Yes

Alloy: 390

Stroke (in): 3.75

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

Bore Diameter IN: 4.32

Make for Engine Family: Mopar

Pin Number: 1.094x300K

Compression Height MM: 50.6

Compression Height IN: 1.992

Bore Diameter MM: 109.7

Pin Diameter (mm): 27.8

Rod (in): 6.768

Lock: PRF116-3

Year To: 1979

Pin Diameter (in): 1.094

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

Year Range: 1966-1979

Rod (mm): 171.9072

Exhaust Valve Depth/Diameter: .200/2.360

Base Number: KB184

OE Deck Height: 10.725

Piston Material: Cast 390 Hypereutectic Alloy

Intake Valve Depth/Diameter: .200/2.360

Year From: 1966

Pin Configuration: Centered

Oversize: .020"

Crown Type: QUENCH HEAD 2V