KB Hyper Performance Piston Kit, KB405KTD.024

1 Set KB405.024/1 Set 4250BD8.125

Centered pin.

Sold As: Kit with Rings

Engine Manufacturer: Oldsmobile

Engine Family: Oldsmobile V8

Engine Displacement (Liters): 6.6

Engine Displacement (cubic inches): 403

Bore Size (in): 4.351

Bore Size (mm): 110.5

Piston Head Type: Dish

Crown (cc): +6cc

Compression Ratio: 83-9.4, 96-8.5

Top Land: 0.281

Pin Type: Press or Floating

Stroke (in): 3.385

Oversizes: .024.039

Pin Diameter (in): 0.98

Pin Diameter (mm): 24.9

Bore Diameter MM: 110.5

Year To: 1979

Crown Type: D-CUP 2V

Compression Height MM: 41

Compression Height IN: 1.615

Bore Diameter IN: 4.351

Rod (mm): 152.4

Rod (in): 6

Lock: PRH107-3

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

Oversize: .024"

Year Range: 1965-1979

Piston Material: Cast 390 Hypereutectic Alloy

Pin Configuration: Centered

Pin Number: 0980x300K

Alloy: 390

Year From: 1965

Make for Engine Family: General Motors

Base Number: KB405

Stroke (mm): 86

Grade Type: Performance

Oversized: Yes

OE Deck Height: 9.312