KB Hyper Performance Piston Kit, KB125KTM.040

1 Set KB125.040/1 Set 4125AM8.040

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

Intake Valve Depth/Diameter: .280/2.168

Piston Material: Cast 390 Hypereutectic Alloy

Pin Diameter (mm): 23.5

Compression Height MM: 36.4

OE Deck Height: 9.025

Pin Configuration: Centered

Year To: 2018

Stroke (mm): 95.3

Bore Diameter MM: 104.8

Compression Height IN: 1.433

Bore Diameter IN: 4.125

Crown Type: FLAT TOP 2V

Exhaust Valve Depth/Diameter: .280/2.168

Oversized: Yes

Lock: PRJ100-3

Alloy: 390

Rod (mm): 144.78

Grade Type: Performance

Pin Number: 0927x300K

Year From: 1970

Pin Diameter (in): 0.927

Rod (in): 5.7

Oversize: .040"

Stroke (in): 3.75

Base Number: KB125

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

Year Range: 1970-2018

Make for Engine Family: General Motors

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