KB Hyper Performance Piston Kit, KB373KTM.020

1 Set KB373.020/1 Set 4000AM8.020

Centered pin. Piston may protrude on 1992 & up Magnum truck blocks. Quench dome elevated.085". Machining required to achieve optimum quench. Will not work with Magnum or Edelbrock closed chamber heads.

Sold As: Kit with Rings

Engine Manufacturer: Chrysler

Engine Family: Mopar Small Block LA

Engine Displacement (Liters): 5.9

Engine Displacement (cubic inches): 360

Bore Size (in): 4

Bore Size (mm): 101.6

Piston Head Type: Dome

Crown (cc): +2.8cc

Compression Ratio: 62-11.2, 64-11.0, 68-10.5, 72-10.0

Top Land: 0.275

Pin Type: Press or Floating

Stroke (mm): 90.9

Grade Type: Performance

Stroke (in): 3.58

Rod (mm): 155.5242

Bore Diameter IN: 4

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

Year To: 2009

Pin Number: 0984x300K

Compression Height IN: 1.675

Oversize: .020"

Piston Material: Cast 390 Hypereutectic Alloy

Compression Height MM: 42.5

Exhaust Valve Depth/Diameter: .286/2.200

Oversized: Yes

Alloy: 390

OE Deck Height: 9.599

Pin Diameter (mm): 25

Intake Valve Depth/Diameter: .286/2.200

Base Number: KB373

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

Pin Diameter (in): 0.984

Lock: PRH107-3

Make for Engine Family: Mopar

Crown Type: QUENCH HEAD 2V

Rod (in): 6.123

Year Range: 1958-2009

Pin Configuration: Centered

Year From: 1958