KB Hyper Performance Piston Kit, KB261KTM.040

1 Set KB261.040/1 Set 4000BM8.040

Centered pin. Spacer ring included. Ford 400 crank offset ground 4.075. Pre-71 blocks.020 shorter, not enough stock to clean up. Made with Ford 351W block.

Sold As: Kit with Rings

Engine Manufacturer: Ford

Engine Family: Ford SB V8 Windsor

Engine Displacement (Liters): 6.8

Engine Displacement (cubic inches): 416

Bore Size (in): 4

Bore Size (mm): 101.6

Crown (cc): +6.5cc

Compression Ratio: 55-13.2, 60-12.4, 64-11.8, 69-11.2

Top Land: 0.275

Pin Type: Press or Floating

Stroke (in): 4.075

Grade Type: Performance

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

Lock: PRJ100-3

Oversized: Yes

Compression Height IN: 1.251

Rod (in): 6.2

Make for Engine Family: Ford

Compression Height MM: 31.8

Pin Diameter (in): 0.927

Bore Diameter IN: 4

Rod (mm): 157.48

Year Range: -

Alloy: 390

Exhaust Valve Depth/Diameter: .254/1.880

Oversize: .040"

Pin Configuration: Centered

Piston Material: Cast 390 Hypereutectic Alloy

OE Deck Height: 9.5

Intake Valve Depth/Diameter: .266/2.120

Pin Diameter (mm): 23.5

Base Number: KB261

Stroke (mm): 103.5

Crown Type: FLAT TOP 2V

Pin Number: 0927x300K

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