KB Hyper Performance Piston Kit, KB280KTM.020

1 Set KB280.020/1 Set 4342AM8.020

.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

Bore Diameter IN: 4.342

Bore Diameter MM: 110.3

Compression Height IN: 1.327

Base Number: KB280

Pin Configuration: Centered

Oversized: Yes

Exhaust Valve Depth/Diameter: .264/2.360

Crown Type: STEP HEAD 2V

Intake Valve Depth/Diameter: .264/2.360

Pin Diameter (mm): 27.8

Year Range: -

Pin Diameter (in): 1.094

Compression Height MM: 33.7

Make for Engine Family: Mopar

Rod (in): 6.768

Lock: PRF116-3

Oversize: .020"

Rod (mm): 171.9072

OE Deck Height: 9.98

Stroke (mm): 95.3

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

Grade Type: Performance

Alloy: 390

Piston Material: Cast 390 Hypereutectic Alloy

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

Stroke (in): 3.75

Pin Number: 1.0945x300K