KB Hyper Performance Piston Kit, KB284KTD.030

1 Set KB284.030/1 Set 4250BD8.035

Centered pin. Spacer ring included. Made from Chevy 454 BB.

Sold As: Kit with Rings

Engine Manufacturer: Chevrolet

Engine Family: Chevrolet BB V8 Mark IV

Engine Displacement (Liters): 8

Engine Displacement (cubic inches): 489

Bore Size (in): 4.25

Bore Size (mm): 108

Crown (cc): +3cc

Compression Ratio: 96.5-10.0, 105-9.5, 108-9.3, 119-8.6

Top Land: 0.312

Pin Type: Press or Floating

Stroke (in): 4.25

Stroke (mm): 108

Grade Type: Performance

Oversizes: STD, .030, .040, .060, .070, .100

Make for Engine Family: General Motors

Compression Height MM: 32.3

Compression Height IN: 1.27

Bore Diameter MM: 108

Oversized: Yes

Alloy: 390

Bore Diameter IN: 4.25

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

Intake Valve Depth/Diameter: .266/2.310

Year Range: -

Rod (in): 6.385

Pin Diameter (in): 0.99

Pin Number: 0990x300K

Base Number: KB284

Rod (mm): 162.179

Pin Diameter (mm): 25.1

Crown Type: FLAT TOP 1V

Piston Material: Cast 390 Hypereutectic Alloy

OE Deck Height: 9.8

Pin Configuration: Centered

Lock: PRG110-3

Oversize: .030"