KB Hypereutectic Pistons · SKB303.020
Part #: SKB303.020
UPC: 800745065223
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Description: KB Hyper Single Piston - Chevy 383 Rod 5.700 Hollow Dome -1+1cc 2V; 4.000+.020", D-Cup 19.5c w/2 Valve Reliefs,Top Ring:5/64", 2nd Ring: 15/64", Oil Ring: 3/16", Comp Ratios:9.8/55cc,9.3/60cc,9.0/64c,8.6/69cc,Gram weight 581/143, INT-Valve Depth/DIA .261-2.120", EX-Relief Depth/Dia .249-1.880"
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: 4.000+.020"
- Stroke: 3.500
- Comp HT: 1.744
- O.E Deck HT: 9.500
- Lock Ring:PRL99-3
- D-Cup 19.5cc w/2 Valve Reliefs
- Centered Pin,
- Pin Size:0.990/ Pin# 0990X300KPre-71 blocks .020" shorter, Not enough stock to clean up
- Ring Set: 4000AD8 or 4000AM8
Specifications
- GTIN
- 00800745065223
- Life cycle
- Available to Order
- AAM brand code
- KBP
- Warehouse brand code
- BJDT
- AAIA brand code
- BJDT
Attributes
- Alloy
- 390
- Base Number
- KB303
- Bore (in)
- 4
- Bore (mm)
- 101.6
- Compression Ratio
- 55-9.8, 60-9.3 64-9.0, 69-8.6
- Crown (cc)
- +19.5cc
- Crown Type
- D-CUP 2V
- Eng. Disp Liters
- 5.8
- Eng. Disp. In.
- 351
- Engine Family
- Ford SB V8 Windsor
- Engine Manufacturer
- Ford
- Exhaust Valve Depth/diameter
- .249/1.880
- Intake Valve Depth/diameter
- .261/2.120
- Lock
- PRL99-3
- Make For Engine Family
- Ford
- Oe Deck Height
- 9.5
- Oversize
- .020
- Oversizes
- STD .020 .030 .040 .060
- Pin Configuration
- Centered
- Pin Diameter (in)
- .912
- Pin Diameter (mm)
- 23.16
- Pin Number
- 0912x300K
- Pin Type
- Floating
- Ring Pack
- 5/64, 5/64, 3/16
- Rod (in)
- 5.956
- Rod (mm)
- 151.2824
- Sold As
- SINGLE
- Stroke (in)
- 3.5
- Stroke (mm)
- 88.9
- Top Land
- .211
- Year Range
- -
Fitment status
This product is universal and will fit your application.
Resources
KB Hypereutectic Pistons SKB303.020
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