KB Hyper Performance Piston Kit, KB125KTM.STD

1 Set KB125.STD/1 Set 4125AM8.STD

Centered pin.

Sold As: Kit with Rings

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

Crown (cc): +7cc

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

Top Land: 0.265

Pin Type: Press or Floating

Rod (in): 5.7

Make for Engine Family: General Motors

Bore Diameter IN: 4.125

Alloy: 390

Pin Diameter (in): 0.927

Year Range: 1970-2018

Year To: 2018

Stroke (mm): 95.3

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

Compression Height MM: 36.4

Bore Diameter MM: 104.8

Compression Height IN: 1.433

Oversize: STD

Lock: PRJ100-3

Pin Number: 0927x300K

Grade Type: Performance

Year From: 1970

Pin Diameter (mm): 23.5

Pin Configuration: Centered

OE Deck Height: 9.025

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

Exhaust Valve Depth/Diameter: .280/2.168

Intake Valve Depth/Diameter: .280/2.168

Piston Material: Cast 390 Hypereutectic Alloy

Oversized: No

Base Number: KB125

Crown Type: FLAT TOP 2V

Rod (mm): 144.78

Stroke (in): 3.75