KB Hyper Performance Piston Set, KB184.STD

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

Pin Diameter (mm): 27.8

Year Range: 1966-1979

OE Deck Height: 10.725

Year To: 1979

Alloy: 390

Rod (in): 6.768

Oversized: No

Compression Height IN: 1.992

Bore Diameter IN: 4.32

Bore Diameter MM: 109.7

Compression Height MM: 50.6

Exhaust Valve Depth/Diameter: .200/2.360

Rod (mm): 171.9072

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

Oversize: STD

Stroke (mm): 95.3

Make for Engine Family: Mopar

Pin Number: 1.094x300K

Pin Diameter (in): 1.094

Lock: PRF116-3

Crown Type: QUENCH HEAD 2V

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

Pin Configuration: Centered

Base Number: KB184

Intake Valve Depth/Diameter: .200/2.360

Year From: 1966

Stroke (in): 3.75

Piston Material: Cast 390 Hypereutectic Alloy