KB Hyper Performance Piston Kit, KB147KTM.030

1 Set KB147.030/1 Set 4125AM8.030

Centered pin.

Sold As: Kit with Rings

Engine Manufacturer: Chevrolet

Engine Family: Chevrolet SB V8 Gen I

Engine Displacement (Liters): 6.6

Engine Displacement (cubic inches): 400

Bore Size (in): 4.125

Bore Size (mm): 104.8

Piston Head Type: Dish

Crown (cc): +18cc

Compression Ratio: 58-10.8, 62-10.4, 64-10.2, 76-9.1

Top Land: 0.265

Pin Type: Press or Floating

Oversize: .030"

Pin Configuration: Centered

Grade Type: Performance

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

Year From: 1970

Base Number: KB147

Alloy: 390

Oversized: Yes

Lock: PRJ100-3

Compression Height IN: 1.433

Compression Height MM: 36.4

Bore Diameter IN: 4.125

Bore Diameter MM: 104.8

Piston Material: Cast 390 Hypereutectic Alloy

Year To: 2018

Rod (in): 5.7

Year Range: 1970-2018

Rod (mm): 144.78

Pin Diameter (mm): 23.5

Stroke (mm): 95.3

Intake Valve Depth/Diameter: .280/2.168

OE Deck Height: 9.025

Stroke (in): 3.75

Exhaust Valve Depth/Diameter: .280/2.168

Pin Diameter (in): 0.927

Pin Number: 0927x300K

Crown Type: D-CUP 2V

Make for Engine Family: General Motors

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