489 CID
KB Hyper Performance Piston Set, KB397.060
SKU: 808070
Description
KB Hyper-489 Rod 6.135 cc Solid Dome-17cc 1V;489 Rod 6.535 cc Solid Dome-17cc 1V
Centered pin. Made from Chevy 427 truck tall block. CC = closed chamber head.
Sold As: Piston Set
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
Piston Head Type: Dome
Crown (cc): -17cc
Compression Ratio: 96.5-12.3, 105-11.3, 108-11.0, 119-10.0
Top Land: 0.308
Pin Type: Press or Floating
OE Deck Height: 9.8
Compression Height IN: 1.52
Stroke (in): 4.25
Oversizes: STD, .030, .040, .060, .070, .100
Bore Diameter MM: 108
Make for Engine Family: General Motors
Piston Material: Cast 390 Hypereutectic Alloy
Pin Diameter (in): 0.99
Bore Diameter IN: 4.25
Lock: PRG110-3
Compression Height MM: 38.6
Rod (in): 6.135
Oversized: Yes
Ring Pack: 1/16, 1/16, 3/16
Crown Type: .180" SOLID DOME 1V
Stroke (mm): 108
Pin Number: 0990x300K
Year Range: -
Base Number: KB397
Oversize: .060"
Intake Valve Depth/Diameter: .266/2.310
Rod (mm): 155.829
Alloy: 390
Pin Configuration: Centered
Pin Diameter (mm): 25.1
Specifications
- SKU
- 808070
- Category
- 489 CID
