KB Hyper Performance Piston Set, KB280.STD

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

Rod (mm): 171.9072

Base Number: KB280

Piston Material: Cast 390 Hypereutectic Alloy

Make for Engine Family: Mopar

Lock: PRF116-3

Pin Diameter (in): 1.094

Bore Diameter MM: 110.3

Pin Diameter (mm): 27.8

Compression Height MM: 33.7

Bore Diameter IN: 4.342

Compression Height IN: 1.327

Pin Configuration: Centered

Exhaust Valve Depth/Diameter: .264/2.360

Intake Valve Depth/Diameter: .264/2.360

Crown Type: STEP HEAD 2V

Stroke (in): 3.75

Oversize: STD

Alloy: 390

Pin Number: 1.0945x300K

Stroke (mm): 95.3

OE Deck Height: 9.98

Rod (in): 6.768

Year Range: -

Oversized: No

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

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