KB Hyper Performance Piston Kit, KB399KTM.STD

1 Set KB399.STD/1 Set 3910AM8.STD

Centered pin. Piston is.010" above a 9.578" deck.

Sold As: Kit with Rings

Engine Manufacturer: Chrysler

Engine Family: Mopar Small Block LA

Engine Displacement (Liters): 5.2

Engine Displacement (cubic inches): 318

Bore Size (in): 3.91

Bore Size (mm): 99.3

Piston Head Type: Dome

Crown (cc): -6cc

Compression Ratio: 57-12.2, 60-11.7, 64-11.0, 68-10.4

Top Land: 0.275

Pin Type: Press or Floating

Pin Diameter (in): 0.984

Rod (in): 6.123

Oversize: STD

Stroke (in): 3.31

Stroke (mm): 84.1

Piston Material: Cast 390 Hypereutectic Alloy

Compression Height IN: 1.81

Compression Height MM: 46

Bore Diameter IN: 3.91

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

Bore Diameter MM: 99.3

Pin Number: 0984x300K

Year Range: 1957-2003

Pin Configuration: Centered

Oversizes: STD, .020, .030, .040, .060

Year To: 2003

Grade Type: Performance

Base Number: KB399

Crown Type: .200" SOLID DOME 2V

Year From: 1957

Lock: PRH107-3

Alloy: 390

Oversized: No

Intake Valve Depth/Diameter: .286/2.200

Rod (mm): 155.5242

Make for Engine Family: Mopar

OE Deck Height: 9.578

Exhaust Valve Depth/Diameter: .286/2.200

Pin Diameter (mm): 25