KB Hyper Performance Piston Kit, KB172KTM.060

1 Set KB172.060/1 Set 4125AM8.060

Centered pin. Made with Chevy 400 block and 350 crank.

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

Crown (cc): +7cc

Compression Ratio: 58-11.5, 62-10.9, 64-10.7, 76-9.4

Top Land: 0.275

Pin Type: Press or Floating

Intake Valve Depth/Diameter: .280/2.168

Exhaust Valve Depth/Diameter: .280/2.168

Rod (mm): 144.78

Alloy: 390

Stroke (in): 3.48

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

Crown Type: FLAT TOP 2V

Base Number: KB172

OE Deck Height: 9.025

Year Range: 1973-2018

Bore Diameter IN: 4.125

Compression Height MM: 39.6

Compression Height IN: 1.561

Bore Diameter MM: 104.8

Pin Diameter (mm): 23.5

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

Oversize: .060"

Piston Material: Cast 390 Hypereutectic Alloy

Oversized: Yes

Rod (in): 5.7

Make for Engine Family: General Motors

Year To: 2018

Grade Type: Performance

Pin Number: 0927x300K

Pin Configuration: Centered

Year From: 1973

Pin Diameter (in): 0.927

Stroke (mm): 88.4

Lock: PRJ100-3