KB Hyper Performance Piston Set, KB280.030

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

Pin Number: 1.0945x300K

OE Deck Height: 9.98

Pin Configuration: Centered

Exhaust Valve Depth/Diameter: .264/2.360

Pin Diameter (mm): 27.8

Stroke (mm): 95.3

Intake Valve Depth/Diameter: .264/2.360

Crown Type: STEP HEAD 2V

Compression Height IN: 1.327

Compression Height MM: 33.7

Bore Diameter IN: 4.342

Bore Diameter MM: 110.3

Base Number: KB280

Year Range: -

Rod (mm): 171.9072

Oversize: .030"

Oversized: Yes

Lock: PRF116-3

Alloy: 390

Rod (in): 6.768

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

Piston Material: Cast 390 Hypereutectic Alloy

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

Stroke (in): 3.75

Pin Diameter (in): 1.094

Make for Engine Family: Mopar