KB Hyper Performance Piston Set, KB402.030

KB Hyper - Ford 521 Rod 6.800 D-Cup +20.5cc 1V;545 Rod 6.7 D-Cup +20.5cc 1V

Centered pin. Spacer ring included. 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): +20.5cc

Compression Ratio: 76-11.0, 82-10.5, 91-9.8, 97-9.4

Top Land: 0.3

Pin Type: Press or Floating

Rod (in): 6.8

Pin Diameter (mm): 25.1

Bore Diameter IN: 4.36

OE Deck Height: 10.32

Pin Number: 0990x300K

Oversized: Yes

Crown Type: STEP DISH 1V

Bore Diameter MM: 110.7

Intake Valve Depth/Diameter: .236/2.370

Compression Height MM: 34.3

Compression Height IN: 1.35

Alloy: 390

Piston Material: Cast 390 Hypereutectic Alloy

Base Number: KB402

Pin Configuration: Centered

Pin Diameter (in): 0.99

Make for Engine Family: Ford

Year Range: -

Lock: PRG110-3

Rod (mm): 172.72

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

Oversize: .030"

Stroke (in): 4.3

Oversizes: .030, .040, .060

Stroke (mm): 109.2