KB Hyper Performance Piston Kit, KB347KTM.030

1 Set KB347.030/1 Set 4151FM8.030

Centered pin. Designed for use with 14 degree head, 1967 and later. Check small end of rod to piston before assembly.045" clearance per side minimum.

Sold As: Kit with Rings

Engine Manufacturer: Pontiac

Engine Family: Pontiac V8

Engine Displacement (Liters): 7.5

Engine Displacement (cubic inches): 455

Bore Size (in): 4.15

Bore Size (mm): 105.4

Piston Head Type: Dome

Compression Ratio: 71-12.4, 87-10.9, 96-10.0, 111-8.9

Top Land: 0.275

Pin Type: Press or Floating

Grade Type: Performance

Year To: 1976

Year From: 1970

Make for Engine Family: General Motors

Pin Number: 0980x300K

Alloy: 390

Piston Material: Cast 390 Hypereutectic Alloy

Base Number: KB347

Stroke (in): 4.21

Rod (in): 6.63

Bore Diameter IN: 4.15

Compression Height MM: 37.8

Bore Diameter MM: 105.4

Compression Height IN: 1.49

Stroke (mm): 106.9

Oversize: .030"

Oversizes: .030, .040, .060

Year Range: 1970-1976

OE Deck Height: 10.25

Intake Valve Depth/Diameter: .248/2.210

Exhaust Valve Depth/Diameter: .248/2.210

Oversized: Yes

Ring Pack: 5/64, 1/16, 3/16

Lock: PRH107-3

Pin Diameter (in): 0.98

Crown Type: .265" SOLID DOME 2V

Pin Configuration: Centered

Pin Diameter (mm): 24.9

Rod (mm): 168.402