KB Hypereutectic Pistons · SKB421.020
Part #: SKB421.020
UPC: 800745243331
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Description: KB Hyper Single Piston-JEEP 4.6L,4.0L Stroked with 258ci crank
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
- Offset pin. Press fit only. Use 4.0 block and rods with 258ci crank.
Specifications
- GTIN
- 00800745243331
- Life cycle
- Available to Order
- AAM brand code
- KBP
- Warehouse brand code
- BJDT
- AAIA brand code
- BJDT
Attributes
- Alloy
- 390
- Base Number
- KB421
- Bore (in)
- 3.875
- Bore (mm)
- 98.4
- Compression Ratio
- 60-8.8
- Crown (cc)
- +27.5cc
- Crown Type
- DISH
- Eng. Disp Liters
- 4.6
- Eng. Disp. In.
- 281
- Engine Family
- AMC I6
- Engine Manufacturer
- Jeep
- Make For Engine Family
- AMC
- Oe Deck Height
- 9.45
- Oversize
- .020
- Oversizes
- .020 .030 .040 .060
- Pin Configuration
- Offset
- Pin Diameter (in)
- .931
- Pin Diameter (mm)
- 23.6
- Pin Number
- 0931x222A
- Pin Type
- Floating
- Ring Pack
- 5/64, 5/64, 3/16
- Rod (in)
- 6.123
- Rod (mm)
- 155.5242
- Sold As
- SINGLE
- Stroke (in)
- 3.89
- Stroke (mm)
- 98.8
- Top Land
- .250
- Year Range
- -
Fitment status
This product is universal and will fit your application.
Resources
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