KB Hyper Performance Piston Kit, KB289KTM.030

1 Set KB289.030/1 Set 4000AM8.030

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

Oversize: .030"

Rod (in): 6.958

Year Range: 1957-2018

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

OE Deck Height: 10.87

Exhaust Valve Depth/Diameter: .273/2.250

Stroke (in): 3.9

Year To: 2018

Base Number: KB289

Compression Height MM: 49.3

Year From: 1957

Compression Height IN: 1.94

Bore Diameter IN: 4

Oversized: Yes

Intake Valve Depth/Diameter: .273/2.250

Pin Configuration: Centered

Grade Type: Performance

Pin Number: 0984x300K

Alloy: 390

Rod (mm): 176.7332

Make for Engine Family: Mopar

Lock: PRH107-3

Pin Diameter (in): 0.984

Pin Diameter (mm): 25

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

Crown Type: FLAT TOP 2V

Piston Material: Cast 390 Hypereutectic Alloy

Stroke (mm): 99.1