KB Hyper Performance Piston Kit, KB207KTD.040

1 Set KB207.040/1 Set 4250BD8.040

Centered pin. OC=open 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): -26cc

Compression Ratio: 119-10.2

Top Land: 0.311

Pin Type: Press or Floating

Stroke (in): 4

Compression Height MM: 41.7

Grade Type: Performance

Oversize: .040"

Pin Number: 0990x300K

Pin Diameter (in): 0.99

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

Pin Diameter (mm): 25.1

Compression Height IN: 1.645

Bore Diameter MM: 108

Rod (mm): 155.829

Bore Diameter IN: 4.25

Oversized: Yes

Base Number: KB207

Stroke (mm): 101.6

Crown Type: .250" OC HOLLOW DOME 1V

OE Deck Height: 9.8

Year From: 1970

Piston Material: Cast 390 Hypereutectic Alloy

Rod (in): 6.135

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

Make for Engine Family: General Motors

Intake Valve Depth/Diameter: .266/2.310

Alloy: 390

Year To: 2000

Lock: PRG110-3

Year Range: 1970-2000

Pin Configuration: Centered