KB Hyper Performance Piston Set, KB289.STD

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

Year To: 2018

Year From: 1957

Stroke (mm): 99.1

Stroke (in): 3.9

Pin Configuration: Centered

Lock: PRH107-3

Alloy: 390

Rod (in): 6.958

Intake Valve Depth/Diameter: .273/2.250

Compression Height MM: 49.3

Compression Height IN: 1.94

Bore Diameter IN: 4

OE Deck Height: 10.87

Pin Number: 0984x300K

Oversized: No

Oversize: STD

Year Range: 1957-2018

Pin Diameter (mm): 25

Make for Engine Family: Mopar

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

Exhaust Valve Depth/Diameter: .273/2.250

Crown Type: FLAT TOP 2V

Piston Material: Cast 390 Hypereutectic Alloy

Base Number: KB289

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

Rod (mm): 176.7332

Pin Diameter (in): 0.984