KB Hyper Performance Piston Set, KB184.040

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

Compression Height IN: 1.992

Crown Type: QUENCH HEAD 2V

Year To: 1979

Alloy: 390

Year Range: 1966-1979

Oversized: Yes

OE Deck Height: 10.725

Pin Diameter (mm): 27.8

Compression Height MM: 50.6

Bore Diameter MM: 109.7

Bore Diameter IN: 4.32

Piston Material: Cast 390 Hypereutectic Alloy

Rod (mm): 171.9072

Rod (in): 6.768

Pin Configuration: Centered

Year From: 1966

Pin Diameter (in): 1.094

Oversize: .040"

Base Number: KB184

Pin Number: 1.094x300K

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

Lock: PRF116-3

Exhaust Valve Depth/Diameter: .200/2.360

Intake Valve Depth/Diameter: .200/2.360

Make for Engine Family: Mopar

Stroke (mm): 95.3

Stroke (in): 3.75

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