KB Hyper Performance Piston Set, KB280.040

KB Hyper Piston - Chry 450 Rod 6.768 Step Head -4.4cc 2V

.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: Piston Set

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

Base Number: KB280

Exhaust Valve Depth/Diameter: .264/2.360

OE Deck Height: 9.98

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

Rod (mm): 171.9072

Lock: PRF116-3

Compression Height IN: 1.327

Pin Diameter (in): 1.094

Bore Diameter IN: 4.342

Compression Height MM: 33.7

Bore Diameter MM: 110.3

Rod (in): 6.768

Stroke (mm): 95.3

Make for Engine Family: Mopar

Piston Material: Cast 390 Hypereutectic Alloy

Crown Type: STEP HEAD 2V

Pin Configuration: Centered

Year Range: -

Intake Valve Depth/Diameter: .264/2.360

Stroke (in): 3.75

Oversize: .040"

Pin Number: 1.0945x300K

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

Pin Diameter (mm): 27.8

Alloy: 390

Oversized: Yes