KB Hyper Performance Piston Kit, KB280KTM.STD

1 Set KB280.STD/1 Set 4342AM8.STD

.150" quench dome. Centered pin. Suggest checking quench dome with clay for clearance. Engine cannot be assembled without machining quench dome. Made from Chrysler 400 block. Use only stock rods.

Sold As: Kit with Rings

Engine Manufacturer: Chrysler

Engine Family: Mopar Big Block B

Engine Displacement (Liters): 7.4

Engine Displacement (cubic inches): 450

Bore Size (in): 4.342

Bore Size (mm): 110.3

Piston Head Type: Dome

Crown (cc): 0cc

Compression Ratio: 72-12.3, 80-11.3, 84-10.8, 88-10.4

Top Land: 0.275

Pin Type: Press or Floating

Stroke (in): 3.75

OE Deck Height: 9.98

Year Range: -

Alloy: 390

Pin Number: 1.0945x300K

Crown Type: STEP HEAD 2V

Stroke (mm): 95.3

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

Compression Height MM: 33.7

Bore Diameter IN: 4.342

Compression Height IN: 1.327

Bore Diameter MM: 110.3

Base Number: KB280

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

Oversize: STD

Pin Configuration: Centered

Pin Diameter (in): 1.094

Grade Type: Performance

Make for Engine Family: Mopar

Piston Material: Cast 390 Hypereutectic Alloy

Oversized: No

Rod (mm): 171.9072

Rod (in): 6.768

Lock: PRF116-3

Pin Diameter (mm): 27.8

Intake Valve Depth/Diameter: .264/2.360

Exhaust Valve Depth/Diameter: .264/2.360