KB Hyper Performance Piston Kit, KB203KTM.040

1 Set KB203.040/1 Set 4250AM8.040

Centered pin. CC=closed chamber head.

Sold As: Kit with Rings

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

Stroke (in): 4

Compression Height IN: 1.645

Piston Material: Cast 390 Hypereutectic Alloy

Grade Type: Performance

Alloy: 390

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

Bore Diameter IN: 4.25

Oversize: .040"

Make for Engine Family: General Motors

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

Lock: PRG110-3

Compression Height MM: 41.7

Bore Diameter MM: 108

Crown Type: .113" CC SOLID DOME 1V

OE Deck Height: 9.8

Intake Valve Depth/Diameter: .266/2.310

Pin Configuration: Centered

Year To: 2000

Rod (in): 6.135

Oversized: Yes

Year From: 1970

Stroke (mm): 101.6

Year Range: 1970-2000

Pin Number: 0990x300K

Pin Diameter (in): 0.99

Base Number: KB203

Pin Diameter (mm): 25.1

Rod (mm): 155.829