KB Hyper Performance Piston Kit, KB227KTM.040

1 Set KB227.040/1 Set 4250AM8.040

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

Engine Displacement (cubic inches): 427

Bore Size (in): 4.25

Bore Size (mm): 108

Piston Head Type: Dome

Crown (cc): -26cc

Compression Ratio: 119-9.7

Top Land: 0.311

Pin Type: Press or Floating

Compression Height MM: 44.8

Rod (mm): 155.829

Pin Number: 0990x300K

Stroke (mm): 95.5

Rod (in): 6.135

Compression Height IN: 1.765

Bore Diameter IN: 4.25

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

Lock: PRG110-3

Alloy: 390

Bore Diameter MM: 108

Year To: 2015

Pin Configuration: Centered

Year From: 1963

Oversized: Yes

Crown Type: .250" OC HOLLOW DOME 1V

Oversize: .040"

Pin Diameter (mm): 25.1

Pin Diameter (in): 0.99

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

Intake Valve Depth/Diameter: .266/2.310

Year Range: 1963-2015

Make for Engine Family: General Motors

OE Deck Height: 9.8

Grade Type: Performance

Stroke (in): 3.76

Base Number: KB227

Piston Material: Cast 390 Hypereutectic Alloy