KB Hypereutectic Pistons · SKB237L.030
Part #: SKB237L.030
UPC: 800745058652
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Description: KB Hyper Left Single Piston - Chry 440 Rod 6.768 Step Head 1.+8cc 2V; 4.320+.030", Flat Top 9cc w/2 V,Top Ring:5/64", 2nd Ring: 5/64", Oil Ring: 3/16", Comp Ratios: 11.2/72cc,10.3/80cc,10.0/84cc,9.6/88cc,Gram weight 774/190, INT-Valve Depth/DIA .264-2.360", EX-Relief Depth/Dia .264-2.360"
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: 4.320+.030"
- Stroke: 3.750
- Comp HT: 2.057
- O.E Deck HT: 10.725
- Lock Ring:PRF116-3
- Flat Top 9cc w/2 Valve Reliefs
- Centered Pin
- Pin Size:1.0940/ Pin# 1.0944X300K
- Ring Set: 4320AM8
Specifications
- GTIN
- 00800745058652
- Life cycle
- Available to Order
- AAM brand code
- KBP
- Warehouse brand code
- BJDT
- AAIA brand code
- BJDT
Attributes
- Alloy
- 390
- Base Number
- KB237
- Bore (in)
- 4.32
- Bore (mm)
- 109.7
- Compression Ratio
- 72-11.2, 80-10.3, 84-10.0, 88-9.6
- Crown (cc)
- +9cc
- Crown Type
- FLAT TOP 2V
- Eng. Disp Liters
- 7.2
- Eng. Disp. In.
- 440
- Engine Family
- Mopar Big Block RB
- Engine Manufacturer
- Chrysler
- Exhaust Valve Depth/diameter
- .264/2.360
- Intake Valve Depth/diameter
- .264/2.360
- Lock
- PRF116-3
- Make For Engine Family
- Mopar
- Oe Deck Height
- 10.725
- Oversize
- .030
- Oversizes
- STD .020 .030 .040 .060
- Pin Configuration
- Centered
- Pin Diameter (in)
- 1.094
- Pin Diameter (mm)
- 27.8
- Pin Number
- 1.094x300K
- Pin Type
- Floating
- Ring Pack
- 5/64, 5/64, 3/16
- Rod (in)
- 6.768
- Rod (mm)
- 171.9072
- Sold As
- SINGLE
- Stroke (in)
- 3.75
- Stroke (mm)
- 95.3
- Top Land
- .275
- Year From
- 1966
- Year Range
- 1966-1979
- Year To
- 1979
Fitment status
This product is universal and will fit your application.