KB Hyper Performance Piston Kit, KB280KTM.060

1 Set KB280.060/1 Set 4342AM8.060

.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

Oversized: Yes

Year Range: -

Piston Material: Cast 390 Hypereutectic Alloy

Make for Engine Family: Mopar

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

Grade Type: Performance

Lock: PRF116-3

Compression Height MM: 33.7

Compression Height IN: 1.327

Bore Diameter MM: 110.3

Bore Diameter IN: 4.342

Crown Type: STEP HEAD 2V

Pin Diameter (in): 1.094

Pin Configuration: Centered

Stroke (mm): 95.3

OE Deck Height: 9.98

Pin Diameter (mm): 27.8

Base Number: KB280

Rod (in): 6.768

Stroke (in): 3.75

Rod (mm): 171.9072

Oversize: .060"

Intake Valve Depth/Diameter: .264/2.360

Pin Number: 1.0945x300K

Exhaust Valve Depth/Diameter: .264/2.360

Alloy: 390

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