KB Hyper Performance Piston Set, KB289.040

KB Hyper Piston - Chry Hemi 392 Rod 6.958 Flat Top +4cc 2V

Centered pin.

Sold As: Piston Set

Engine Manufacturer: Chrysler

Engine Family: Mopar Hemi (early)

Engine Displacement (Liters): 6.4

Engine Displacement (cubic inches): 392

Bore Size (in): 4

Bore Size (mm): 101.6

Piston Head Type: Flat

Crown (cc): +4cc

Compression Ratio: 101-8.2, 104-8.0, 110-7.7

Top Land: 0.379

Pin Type: Press or Floating

Make for Engine Family: Mopar

Oversize: .040"

Pin Diameter (in): 0.984

Lock: PRH107-3

Year Range: 1957-2018

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

Bore Diameter IN: 4

Piston Material: Cast 390 Hypereutectic Alloy

Compression Height MM: 49.3

Compression Height IN: 1.94

Intake Valve Depth/Diameter: .273/2.250

Pin Diameter (mm): 25

Exhaust Valve Depth/Diameter: .273/2.250

Base Number: KB289

Stroke (mm): 99.1

Rod (in): 6.958

Alloy: 390

Stroke (in): 3.9

Year From: 1957

OE Deck Height: 10.87

Rod (mm): 176.7332

Pin Configuration: Centered

Pin Number: 0984x300K

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

Year To: 2018

Oversized: Yes

Crown Type: FLAT TOP 2V