KB Hypereutectic Pistons · SKB139L.020
Part #: SKB139L.020
UPC: 800745046390
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Description: KB Hyper Left Single Piston - Chevy 400 Rod 5.700 Flat Top +7cc 2V; 4.125 +.020", Flat Top 7cc w/2V,Top Ring:1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Comp Ratios: 12.3w/58cc,11.7/62cc,11.4w/64cc,10.0w/76cc,Gram weight 587/145, INT-Valve Depth/DIA .280-2.168", EX-Relief Depth/Dia .280-2.168"
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: 4.125 +.020"
- Stroke: 3.750
- Comp HT: 1.433
- O.E Deck HT: 9.025
- Lock Ring:PRJ100-3
- Flat Top 7cc w/2 Valve Reliefs
- Centered Pin
- Pin Size: 0.9272/ Pin# 0927X300K
- Ring Set: 4125BD8
Specifications
- GTIN
- 00800745046390
- Life cycle
- Available to Order
- AAM brand code
- KBP
- Warehouse brand code
- BJDT
- AAIA brand code
- BJDT
Attributes
- Alloy
- 390
- Base Number
- KB139
- Bore (in)
- 4.125
- Bore (mm)
- 104.8
- Compression Ratio
- 58-12.3, 62-11.7, 64-11.4, 76-10.0
- Crown (cc)
- +7cc
- Crown Type
- FLAT TOP 2V
- Eng. Disp Liters
- 6.6
- Eng. Disp. In.
- 400
- Engine Family
- Chevrolet SB V8 Gen I
- Engine Manufacturer
- Chevrolet
- Exhaust Valve Depth/diameter
- .280/2.168
- Intake Valve Depth/diameter
- .280/2.168
- Lock
- PRJ100-3
- Make For Engine Family
- General Motors
- Oe Deck Height
- 9.025
- Oversize
- .020
- Oversizes
- STD .020 .030 .040 .060
- Pin Configuration
- Centered
- Pin Diameter (in)
- .927
- Pin Diameter (mm)
- 23.5
- Pin Number
- 0927x300K
- Pin Type
- Floating
- Ring Pack
- 1/16, 1/16, 3/16
- Rod (in)
- 5.7
- Rod (mm)
- 144.78
- Sold As
- SINGLE
- Stroke (in)
- 3.75
- Stroke (mm)
- 95.3
- Top Land
- .275
- Year From
- 1970
- Year Range
- 1970-2018
- Year To
- 2018
Fitment status
This product is universal and will fit your application.
Resources
KB Hypereutectic Pistons SKB139L.020
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