KB Hypereutectic Pistons · SKB422.060
Part #: SKB422.060
UPC: 800745272058
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Description: KB Hyper Single Piston - Pont 400, Rod 6.663, Dome -10cc; 4.120+.060", Soild Dome -10cc w/ 2V,Top Ring:15/64", 2nd Ring: 5/64", Oil Ring: 3/16", Comp Ratios:9.4/100cc,Gram weight 582/163, INT-Valve Depth/DIA .239-2.140", EX-Relief Depth/Dia .239-2.140"
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: 4.120+.060"
- Check small end of rod to piston before assembly / .045" clearance per side minimum
- Pin Size:.980""/ Pin# 0980X300K
- Ring Set: 4120AM8
- Stroke: 3.750
- Comp HT: 1.710
- O.E Deck HT:10.25"
- Lock Ring:PRH107-3
- Solid Dome -10cc w/2 Valve Reliefs
- Centered Pin
- Designed to work with 1967 and later 14 degree heads
- Piston is .025" below a 1.250" deck
Specifications
- GTIN
- 00800745272058
- Life cycle
- Available to Order
- AAM brand code
- KBP
- Warehouse brand code
- BJDT
- AAIA brand code
- BJDT
Attributes
- Alloy
- 390
- Base Number
- KB422
- Bore (in)
- 4.12
- Bore (mm)
- 104.6
- Compression Ratio
- 100-9.4:1
- Crown (cc)
- -10cc
- Crown Type
- DOME
- Eng. Disp Liters
- 6.6
- Eng. Disp. In.
- 400
- Engine Family
- Pontiac V8
- Engine Manufacturer
- Pontiac
- Exhaust Valve Depth/diameter
- .239/2.140
- Intake Valve Depth/diameter
- .239/2.140
- Lock
- PRH107-3
- Make For Engine Family
- General Motors
- Oe Deck Height
- 10.25
- Oversize
- .060
- Oversizes
- STD .030 .040 .060
- Pin Configuration
- Centered
- Pin Diameter (in)
- .980
- Pin Diameter (mm)
- 24.9
- Pin Number
- 0980x300K
- Pin Type
- Floating
- Ring Pack
- 5/64, 5/64, 3/16
- Rod (in)
- 6.663
- Rod (mm)
- 169.2402
- Sold As
- SINGLE
- Stroke (in)
- 3.75
- Stroke (mm)
- 95.3
- Top Land
- .300
- Year From
- 1967
- Year Range
- 1967-1979
- Year To
- 1979
Fitment status
This product is universal and will fit your application.