KB Hyper Performance Piston Set, KB184.060

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

OE Deck Height: 10.725

Rod (mm): 171.9072

Base Number: KB184

Oversized: Yes

Alloy: 390

Lock: PRF116-3

Pin Configuration: Centered

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

Compression Height IN: 1.992

Bore Diameter IN: 4.32

Bore Diameter MM: 109.7

Compression Height MM: 50.6

Stroke (mm): 95.3

Stroke (in): 3.75

Year To: 1979

Crown Type: QUENCH HEAD 2V

Intake Valve Depth/Diameter: .200/2.360

Piston Material: Cast 390 Hypereutectic Alloy

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

Pin Diameter (mm): 27.8

Rod (in): 6.768

Make for Engine Family: Mopar

Exhaust Valve Depth/Diameter: .200/2.360

Year Range: 1966-1979

Year From: 1966

Pin Number: 1.094x300K

Oversize: .060"

Pin Diameter (in): 1.094