KB Hyper Performance Piston Kit, KB311KTM.STD

1 Set KB311.STD/1 Set 4000AM8.STD

Centered pin. Designed for Trick Flow twisted wedge heads including "R" head.

Sold As: Kit with Rings

Engine Manufacturer: Ford

Engine Family: Ford SB V8 Windsor

Engine Displacement (Liters): 5

Engine Displacement (cubic inches): 302

Bore Size (in): 4

Bore Size (mm): 101.6

Crown (cc): +4cc

Compression Ratio: 61-9.5

Top Land: 0.275

Pin Type: Press or Floating

Crown Type: FLAT TOP 2V

Pin Diameter (mm): 23.16

Alloy: 390

Oversize: STD

Rod (mm): 129.286

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

Pin Number: 0912x300K

Compression Height MM: 40.8

Compression Height IN: 1.608

Year Range: 1942-2018

Oversized: No

Bore Diameter IN: 4

OE Deck Height: 8.206

Base Number: KB311

Pin Configuration: Centered

Lock: PRL99-3

Grade Type: Performance

Piston Material: Cast 390 Hypereutectic Alloy

Year To: 2018

Make for Engine Family: Ford

Year From: 1942

Stroke (mm): 76.2

Rod (in): 5.09

Exhaust Valve Depth/Diameter: .194/1.700

Intake Valve Depth/Diameter: .216/2.120

Ring Pack: 5/64, 5/64, 3/16

Pin Diameter (in): 0.912

Stroke (in): 3