KB Hypereutectic Pistons · S9912HC.STD
Part #: S9912HC.STD
UPC: 800745118837
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Description: KB AUTOMOTIVE Single Claimer Piston - Chevrolet 383ci/6.3L (V8); 4.000" STD Circular Dish 13cc w/2 Valve Reliefs,Top Ring: 5/64", 2nd Ring: 5/64, Oil Ring: 3/16", Comp Ratios:10.9w/58cc, 10.4 w/62cc, 10.2 w/64cc, 9.1 w/76cc, Gram weight 521/107, Top Land.260". Valve Depth .250", Relief Dia. 2.200"
Description:
Description
Created from a high-silicon aluminum alloy, KB Performance pistons are lightweight to improve throttle response and RPM changes while still being strong enough to withstand high compression and high temperatures. Each piston is engineeered with race ready features like high upper compression-ring locations, gas-accumulator grooves, drilled oil returns, and spiral-lock retainer grooves. KB Performance pistons are available for many popular engine makes and displacements. They also come in a variety of compression ratios to suit your performance needs.
Features & benefits
- 2 symmetrical valve reliefs, centered pin. Coated skirts. Now supplied with lockRings so it can be run either full floatring or press fit. Made with Chevy 350 small block. Cast iron moly Ring set 4000AM8. Piston and Ring set kit 9912HCKTM.
Specifications
- GTIN
- 00800745118837
- Life cycle
- Available to Order
- AAM brand code
- KBP
- Warehouse brand code
- BJDT
- AAIA brand code
- BJDT
Attributes
- Alloy
- 390
- Base Number
- 9912HC
- Bore (in)
- 4
- Bore (mm)
- 101.6
- Compression Ratio
- 58-10.9, 62-10.4, 64-10.2, 76-9.1
- Crown (cc)
- +13cc
- Crown Type
- CIRCULAR DISH 2V
- Eng. Disp Liters
- 6.3
- Eng. Disp. In.
- 383
- Engine Family
- Chevrolet SB V8 Gen I
- Engine Manufacturer
- Chevrolet
- Exhaust Valve Depth/diameter
- .250/2.200
- Intake Valve Depth/diameter
- .250/2.200
- Lock
- 93
- Make For Engine Family
- General Motors
- Oe Deck Height
- 9.03
- Oversize
- STD
- Oversizes
- STD .020 .030 .040 .060
- Pin Configuration
- Centered
- Pin Diameter (in)
- .927
- Pin Diameter (mm)
- 23.5
- Pin Number
- 0927X216K
- Pin Type
- Press or Floating
- Ring Pack
- 5/64, 5/64, 3/16
- Rod (in)
- 5.7
- Rod (mm)
- 144.78
- Sold As
- SINGLE
- Stroke (in)
- 3.75
- Stroke (mm)
- 95.3
- Top Land
- .194
- Year Range
- -
Fitment status
This product is universal and will fit your application.
Resources
KB Hypereutectic Pistons S9912HC.STD
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