KB Hyper Performance Piston Kit, KB255KTM.040

1 Set KB255.040/1 Set 4000BM8.040

Centered pin. Windsor crank offset ground to 3.640, 6.2 rod.9272 pin. Pre-71 blocks.020 shorter, not enough stock to clean up.

Sold As: Kit with Rings

Engine Manufacturer: Ford

Engine Family: Ford SB V8 Windsor

Engine Displacement (Liters): 6.1

Engine Displacement (cubic inches): 372

Bore Size (in): 4

Bore Size (mm): 101.6

Piston Head Type: Dome

Crown (cc): -1cc

Compression Ratio: 58-13.2, 60-12.3, 64-11.7, 69-11.0

Top Land: 0.242

Pin Type: Press or Floating

Compression Height MM: 36.5

Pin Diameter (in): 0.927

OE Deck Height: 9.5

Compression Height IN: 1.44

Oversized: Yes

Base Number: KB255

Lock: PRJ100-3

Stroke (in): 3.64

Bore Diameter IN: 4

Intake Valve Depth/Diameter: .257/2.120

Oversize: .040"

Pin Diameter (mm): 23.5

Make for Engine Family: Ford

Grade Type: Performance

Piston Material: Cast 390 Hypereutectic Alloy

Pin Configuration: Centered

Alloy: 390

Exhaust Valve Depth/Diameter: .254/1.880

Stroke (mm): 92.5

Oversizes: STD, .020, .030, .040, .060

Rod (in): 6.2

Year Range: -

Pin Number: 0927x300K

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

Rod (mm): 157.48

Crown Type: .150" SOLID DOME 2V