KB Hyper Performance Piston Kit, KB128KTD.020

1 Set KB128.020/1 Set 4125BD8.025

Centered pin. Spacer ring included.

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, 64-11.64, 76-10.0

Top Land: 0.275

Pin Type: Press or Floating

Make for Engine Family: General Motors

Pin Diameter (mm): 23.5

Stroke (in): 3.75

Bore Diameter MM: 104.8

Compression Height MM: 28.7

Rod (in): 6

Exhaust Valve Depth/Diameter: .280/2.168

Rod (mm): 152.4

Pin Configuration: Centered

Compression Height IN: 1.13

Base Number: KB128

Pin Number: 0927x300K

Bore Diameter IN: 4.125

Oversize: .020"

Lock: PRJ100-3

Piston Material: Cast 390 Hypereutectic Alloy

Stroke (mm): 95.3

Intake Valve Depth/Diameter: .280/2.168

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

OE Deck Height: 9.025

Year Range: 1970-2018

Alloy: 390

Pin Diameter (in): 0.927

Year To: 2018

Oversized: Yes

Grade Type: Performance

Crown Type: FLAT TOP 2V

Year From: 1970

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