KB Hypereutectic Pistons · SKB397.030
Part #: SKB397.030
UPC: 800745108081
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Description: KB Hyper Single Piston - Chevrolet 489ci/8.0L (V8); 4.250+.030", .180" Closed Chamber SD -17cc w/ 1V,Top Ring:1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Comp Ratios:12.3/96.5cc,11.3/105cc,11.0/108cc,10.0/119cc,Gram weight 652/158, INT-Valve Depth/DIA .266-2.310", EX-Relief Depth/Dia -NA
Description:
Description
KB Series Hypereutectic 390 Alloy with 16% Silicon is a High Performance Piston for Marine, Drag, Circle Track and Towng. Fully machined head and valve reliefs. Mini Grooves to reduce scuffing if overheated. Accumulator Grove aids with compression ring seal. Triple Spiral Lock Rings. Machined in Oil Returns. CNC machined pin bores produce straight and accurately sized bores. Diamond finished skirts.
Features & benefits
- Bore: 4.250 +.030"
- Ring Set: 4250BD8
- Stroke: 4.250
- Comp HT: 1.520
- O.E Deck HT: 10.200
- Lock Ring:PRG110-3
- .180" Closed Chamber Head Solid Dome -17cc w/1 Valve Relief
- Center Pin
- Made from Chevrolet Truck tall block
- Pin Size:0.990/ Pin#0990X300K
Specifications
- GTIN
- 00800745108081
- Life cycle
- Available to Order
- AAM brand code
- KBP
- Warehouse brand code
- BJDT
- AAIA brand code
- BJDT
Attributes
- Alloy
- 390
- Base Number
- KB397
- Bore (in)
- 4.25
- Bore (mm)
- 108.0
- Compression Ratio
- 96.5-12.3, 105-11.3, 108-11.0, 119-10.0
- Crown (cc)
- -17cc
- Crown Type
- .180" SOLID DOME 1V
- Eng. Disp Liters
- 8.0
- Eng. Disp. In.
- 489
- Engine Family
- Chevrolet BB V8 Mark IV
- Engine Manufacturer
- Chevrolet
- Intake Valve Depth/diameter
- .266/2.310
- Lock
- PRG110-3
- Make For Engine Family
- General Motors
- Oe Deck Height
- 9.8
- Oversize
- .030
- Oversizes
- STD .030 .040 .060 .070 .100
- Pin Configuration
- Centered
- Pin Diameter (in)
- .990
- Pin Diameter (mm)
- 25.1
- Pin Number
- 0990x300K
- Pin Type
- Floating
- Ring Pack
- 1/16, 1/16, 3/16
- Rod (in)
- 6.135
- Rod (mm)
- 155.829
- Sold As
- SINGLE
- Stroke (in)
- 4.25
- Stroke (mm)
- 108.0
- Top Land
- .308
- Year Range
- -
Fitment status
This product is universal and will fit your application.
Resources
KB Hypereutectic Pistons SKB397.030
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