KB Hyper Performance Piston Kit, KB289KTM.040

1 Set KB289.040/1 Set 4000AM8.040

Centered pin.

Sold As: Kit with Rings

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

Crown (cc): +4cc

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

Top Land: 0.379

Pin Type: Press or Floating

Year From: 1957

OE Deck Height: 10.87

Oversized: Yes

Bore Diameter IN: 4

Compression Height MM: 49.3

Rod (in): 6.958

Pin Configuration: Centered

Compression Height IN: 1.94

Intake Valve Depth/Diameter: .273/2.250

Oversize: .040"

Grade Type: Performance

Lock: PRH107-3

Stroke (in): 3.9

Piston Material: Cast 390 Hypereutectic Alloy

Pin Diameter (in): 0.984

Stroke (mm): 99.1

Pin Number: 0984x300K

Alloy: 390

Year To: 2018

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

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

Rod (mm): 176.7332

Crown Type: FLAT TOP 2V

Base Number: KB289

Exhaust Valve Depth/Diameter: .273/2.250

Year Range: 1957-2018

Pin Diameter (mm): 25

Make for Engine Family: Mopar