KB Hyper Performance Piston Set, KB139.STD

KB Hyper Piston - Chevy 400, Rod 5.700, Flat Top +7cc 2V

Centered pin.

Sold As: Piston Set

Engine Manufacturer: Chevrolet

Engine Family: Chevrolet SB V8 Gen I

Engine Displacement (Liters): 6.6

Engine Displacement (cubic inches): 400

Bore Size (in): 4.125

Bore Size (mm): 104.8

Piston Head Type: Flat

Crown (cc): +7cc

Compression Ratio: 58-12.3, 62-11.7, 64-11.4, 76-10.0

Top Land: 0.275

Pin Type: Press or Floating

Stroke (in): 3.75

Pin Configuration: Centered

Oversize: STD

Make for Engine Family: General Motors

Base Number: KB139

Pin Diameter (mm): 23.5

Rod (mm): 144.78

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

Compression Height MM: 36.4

Compression Height IN: 1.433

Bore Diameter IN: 4.125

Bore Diameter MM: 104.8

Lock: PRJ100-3

Year From: 1970

Oversized: No

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

Year To: 2018

Year Range: 1970-2018

OE Deck Height: 9.025

Rod (in): 5.7

Stroke (mm): 95.3

Crown Type: FLAT TOP 2V

Intake Valve Depth/Diameter: .280/2.168

Exhaust Valve Depth/Diameter: .280/2.168

Pin Number: 0927x300K

Piston Material: Cast 390 Hypereutectic Alloy

Pin Diameter (in): 0.927

Alloy: 390