KB Hyper Performance Piston Set, KB403.040

KB Hyper Piston - Ford 521 Rod 6.700 D-Cup 30cc 1V

Centered pin. Made from Ford 460 block. Check rod side clearance.

Sold As: Piston Set

Engine Manufacturer: Ford

Engine Family: Ford BB V8 429/460

Engine Displacement (Liters): 8.5

Engine Displacement (cubic inches): 521

Bore Size (in): 4.36

Bore Size (mm): 110.7

Piston Head Type: Dish

Crown (cc): +30.0cc

Compression Ratio: 76-10.2, 82-9.7, 91-9.1, 97-8.8

Top Land: 0.287

Pin Type: Press or Floating

Bore Diameter MM: 110.7

Compression Height IN: 1.45

Bore Diameter IN: 4.36

Pin Configuration: Centered

Oversizes: .030, .040, .060

Pin Number: 0990x300K

Pin Diameter (mm): 25.1

Year Range: -

Compression Height MM: 36.8

Oversized: Yes

OE Deck Height: 10.32

Stroke (in): 4.3

Crown Type: D-CUP 1V

Oversize: .040"

Make for Engine Family: Ford

Rod (in): 6.7

Intake Valve Depth/Diameter: .251/2.450

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

Alloy: 390

Stroke (mm): 109.2

Base Number: KB403

Rod (mm): 170.18

Piston Material: Cast 390 Hypereutectic Alloy

Lock: PRG110-3

Pin Diameter (in): 0.99