KB Hyper Performance Piston Kit, KB280KTM.040

1 Set KB280.040/1 Set 4342AM8.040

.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

Grade Type: Performance

Compression Height IN: 1.327

Exhaust Valve Depth/Diameter: .264/2.360

Pin Diameter (mm): 27.8

Intake Valve Depth/Diameter: .264/2.360

Stroke (mm): 95.3

Alloy: 390

Stroke (in): 3.75

Compression Height MM: 33.7

Bore Diameter MM: 110.3

Bore Diameter IN: 4.342

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

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

Rod (in): 6.768

Year Range: -

Base Number: KB280

Oversize: .040"

Lock: PRF116-3

Piston Material: Cast 390 Hypereutectic Alloy

Rod (mm): 171.9072

OE Deck Height: 9.98

Oversized: Yes

Pin Configuration: Centered

Pin Diameter (in): 1.094

Make for Engine Family: Mopar

Crown Type: STEP HEAD 2V

Pin Number: 1.0945x300K