KB Hyper Performance Piston Set, KB245.070

KB Hyper Piston - Chevy 454 Rod 6.135 oc Hollow Dome -43cc 1V

Centered pin. OC = open 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): -43cc

Compression Ratio: 119-12.0

Top Land: 0.308

Pin Type: Press or Floating

Ring Pack: 1/16, 1/16, 3/16

Bore Diameter MM: 108

Stroke (mm): 101.6

Oversized: Yes

Pin Number: 0990x300K

Year From: 1970

Rod (mm): 155.829

Bore Diameter IN: 4.25

Compression Height MM: 41.7

Base Number: KB245

Compression Height IN: 1.645

Stroke (in): 4

Make for Engine Family: General Motors

Rod (in): 6.135

Alloy: 390

Crown Type: .550" HOLLOW DOME 1V

Intake Valve Depth/Diameter: .268/2.310

Oversize: .070"

OE Deck Height: 9.8

Pin Diameter (mm): 25.1

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

Piston Material: Cast 390 Hypereutectic Alloy

Lock: PRG110-3

Year To: 2000

Pin Configuration: Centered

Pin Diameter (in): 0.99

Year Range: 1970-2000