KB Hyper Performance Piston Kit, KB290KTM.030

1 Set KB290.030/1 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

Piston Head Type: Dome

Crown (cc): -22cc

Compression Ratio: 101-10.3, 104-10.0, 110-9.5

Top Land: 0.379

Pin Type: Press or Floating

Year From: 1957

Bore Diameter IN: 4

Year To: 2018

Oversize: .030"

Base Number: KB290

Stroke (mm): 99.1

Pin Diameter (mm): 25

Crown Type: .160" HEMI DOME 2V

Compression Height MM: 49.3

Compression Height IN: 1.94

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

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

Exhaust Valve Depth/Diameter: .273/2.250

Pin Number: 0984x300K

Make for Engine Family: Mopar

Lock: PRH107-3

OE Deck Height: 10.87

Intake Valve Depth/Diameter: .273/2.250

Pin Configuration: Centered

Alloy: 390

Piston Material: Cast 390 Hypereutectic Alloy

Oversized: Yes

Year Range: 1957-2018

Grade Type: Performance

Pin Diameter (in): 0.984

Stroke (in): 3.9

Rod (mm): 176.7332

Rod (in): 6.958