KB Hyper Performance Piston Kit, KB350KTM.030

1 Set KB350.030/1 Set 4125AM8.030

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

Piston Material: Cast 390 Hypereutectic Alloy

Pin Diameter (mm): 23.5

Rod (in): 6

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

Pin Number: 0927x300K

OE Deck Height: 9.025

Intake Valve Depth/Diameter: .280/2.168

Compression Height IN: 1.261

Compression Height MM: 32

Bore Diameter IN: 4.125

Bore Diameter MM: 104.8

Year To: 2018

Oversize: .030"

Pin Configuration: Centered

Oversized: Yes

Stroke (in): 3.48

Pin Diameter (in): 0.927

Year From: 1973

Stroke (mm): 88.4

Exhaust Valve Depth/Diameter: .280/2.168

Year Range: 1973-2018

Base Number: KB350

Alloy: 390

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

Grade Type: Performance

Make for Engine Family: General Motors

Rod (mm): 152.4

Crown Type: D-CUP 2V

Lock: PRJ100-3