Icon Premium Piston Kit, IC639KTD.020

1 Set IC639.020/1 Set 4125BD8.025

Centered pin. Aftermarket block only.

Sold As: Kit with Rings

Engine Manufacturer: Ford

Engine Family: Ford SB V8 Windsor

Engine Displacement (Liters): 7

Engine Displacement (cubic inches): 427

Bore Size (in): 4.125

Bore Size (mm): 104.8

Piston Head Type: Dish

Crown (cc): +17.5cc

Compression Ratio: 60-10.9, 64-10.5, 69-10

Top Land: 0.3

Pin Type: Press or Floating

Oversize: .020"

Pin Configuration: Centered

Rod (mm): 157.48

Piston Material: Forged 2618 Alloy

Rod (in): 6.2

Crown Type: DISH

Grade Type: Performance

Lock: PRJ100-3

Compression Height MM: 32.9

Compression Height IN: 1.295

Bore Diameter MM: 104.8

Bore Diameter IN: 4.125

Year From: 1958

Oversized: Yes

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

Base Number: IC639

Stroke (mm): 101.6

Intake Valve Depth/Diameter: .330/2.250

Year To: 1998

Exhaust Valve Depth/Diameter: .262/1.850

Pin Number: .927x2.750

Year Range: 1958-1998

Alloy: 2618

Stroke (in): 4

Oversizes: .0015, .020, .030, .040, .060

Pin Diameter (mm): 23.5

Make for Engine Family: Ford

Pin Diameter (in): 0.927

OE Deck Height: 9.5