KB Hyper Performance Piston Set, KB203.070

KB Hyper Piston - Chevy 454, Rod 6.135, CC Solid Dome -12cc 1V

Centered pin. CC=closed chamber head.

Sold As: Piston Set

Engine Manufacturer: Chevrolet

Engine Family: Chevrolet BB V8 Mark IV

Engine Displacement (Liters): 7.4

Engine Displacement (cubic inches): 454

Bore Size (in): 4.25

Bore Size (mm): 108

Piston Head Type: Dome

Crown (cc): -12cc

Compression Ratio: 96.5-11.0, 105-10.2, 108-9.9, 119-9.1

Top Land: 0.319

Pin Type: Press or Floating

Rod (in): 6.135

Lock: PRG110-3

Crown Type: .113" CC SOLID DOME 1V

Oversized: Yes

Year From: 1970

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

Compression Height IN: 1.645

Year To: 2000

Bore Diameter IN: 4.25

Compression Height MM: 41.7

Bore Diameter MM: 108

Stroke (in): 4

Year Range: 1970-2000

Base Number: KB203

Make for Engine Family: General Motors

Pin Diameter (in): 0.99

Pin Configuration: Centered

Pin Diameter (mm): 25.1

Stroke (mm): 101.6

Rod (mm): 155.829

Intake Valve Depth/Diameter: .266/2.310

Oversizes: STD, .030, .040, .060, .070, .100

Piston Material: Cast 390 Hypereutectic Alloy

OE Deck Height: 9.8

Alloy: 390

Oversize: .070"

Pin Number: 0990x300K