KB Hyper Performance Piston Kit, KB159KTM.020

1 Set KB159.020/1 Set 4125AM8.020

Centered pin.

Sold As: Kit with Rings

Engine Manufacturer: Chevrolet

Engine Family: Chevrolet SB V8 Gen I

Engine Displacement (Liters): 6.2

Engine Displacement (cubic inches): 377

Bore Size (in): 4.125

Bore Size (mm): 104.8

Piston Head Type: Dish

Crown (cc): +12cc

Compression Ratio: 58-10.8, 62-10.3, 64-10.1, 76-9.0

Top Land: 0.275

Pin Type: Press or Floating

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

Intake Valve Depth/Diameter: .280/2.168

Year Range: 1973-2018

Oversize: .020"

Make for Engine Family: General Motors

Rod (in): 5.7

Exhaust Valve Depth/Diameter: .280/2.168

Piston Material: Cast 390 Hypereutectic Alloy

Compression Height IN: 1.561

Bore Diameter IN: 4.125

Bore Diameter MM: 104.8

Compression Height MM: 39.6

Pin Configuration: Centered

Pin Diameter (in): 0.927

Year To: 2018

Lock: PRJ100-3

Grade Type: Performance

Crown Type: D-CUP 2V

Alloy: 390

Rod (mm): 144.78

Base Number: KB159

OE Deck Height: 9.025

Stroke (in): 3.48

Pin Diameter (mm): 23.5

Pin Number: 0927x300K

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

Oversized: Yes

Stroke (mm): 88.4

Year From: 1973