KB Hyper Performance Piston Kit, KB280KTM.030

1 Set KB280.030/1 Set 4342AM8.030

.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

Crown Type: STEP HEAD 2V

Make for Engine Family: Mopar

OE Deck Height: 9.98

Oversize: .030"

Rod (in): 6.768

Year Range: -

Intake Valve Depth/Diameter: .264/2.360

Pin Number: 1.0945x300K

Pin Diameter (mm): 27.8

Compression Height IN: 1.327

Compression Height MM: 33.7

Bore Diameter IN: 4.342

Bore Diameter MM: 110.3

Base Number: KB280

Exhaust Valve Depth/Diameter: .264/2.360

Lock: PRF116-3

Alloy: 390

Piston Material: Cast 390 Hypereutectic Alloy

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

Pin Diameter (in): 1.094

Pin Configuration: Centered

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

Oversized: Yes

Stroke (mm): 95.3

Stroke (in): 3.75

Grade Type: Performance

Rod (mm): 171.9072