KB Hyper Performance Piston Kit, KB350KTM.060

1 Set KB350.060/1 Set 4125AM8.060

Centered pin. Spacer ring included. Made with Chevy 400 SB.

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): +18cc

Compression Ratio: 58-10.1, 62-9.7, 64-9.5, 76-8.5

Top Land: 0.238

Pin Type: Press or Floating

Pin Diameter (in): 0.927

Oversize: .060"

Lock: PRJ100-3

Year From: 1973

Intake Valve Depth/Diameter: .280/2.168

Pin Configuration: Centered

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

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

Stroke (in): 3.48

Compression Height IN: 1.261

Compression Height MM: 32

Bore Diameter MM: 104.8

Bore Diameter IN: 4.125

Year To: 2018

Pin Number: 0927x300K

Rod (mm): 152.4

Grade Type: Performance

Exhaust Valve Depth/Diameter: .280/2.168

Piston Material: Cast 390 Hypereutectic Alloy

Base Number: KB350

Make for Engine Family: General Motors

Rod (in): 6

Oversized: Yes

OE Deck Height: 9.025

Crown Type: D-CUP 2V

Alloy: 390

Year Range: 1973-2018

Stroke (mm): 88.4

Pin Diameter (mm): 23.5