KB Hyper Performance Piston Set, KB172.030

KB Hyper Piston Chevy 377/400 Rod 5.7/5.565 Flat Top +7cc 2V

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

Sold As: Piston Set

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: Flat

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

Pin Diameter (mm): 23.5

Stroke (in): 3.48

OE Deck Height: 9.025

Year Range: 1973-2018

Year To: 2018

Piston Material: Cast 390 Hypereutectic Alloy

Lock: PRJ100-3

Base Number: KB172

Compression Height MM: 39.6

Bore Diameter IN: 4.125

Compression Height IN: 1.561

Bore Diameter MM: 104.8

Intake Valve Depth/Diameter: .280/2.168

Rod (in): 5.7

Oversize: .030"

Oversized: Yes

Pin Number: 0927x300K

Pin Diameter (in): 0.927

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

Pin Configuration: Centered

Alloy: 390

Year From: 1973

Stroke (mm): 88.4

Make for Engine Family: General Motors

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

Crown Type: FLAT TOP 2V

Rod (mm): 144.78

Exhaust Valve Depth/Diameter: .280/2.168