Speed Pro · H521ACP 20
Part #: H521ACP 20
UPC: 614046686250
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Description: Cast Piston Set; Speed-Pro H521ACP 20 Cast Piston (Carton of 6)
Description:
Description
Speed-Pro® delivers the power you need and the value & quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro® to provide the best value in HP engine components.
Features & benefits
- Exclusive higher-strength FM-425 alloy with 16.5 percent silicon finely dispersed throughout the material
- Sophisticated "barrel" profiles help optimize oil wedge between skirt and wall.
- Piston skirts protected by next-gen DUROSHIELD® coating.
- TAC™ ring groove geometry
- Weight matched to +/- 2 grams.
- Machined valve reliefs and circlip grooves; LR-63 lock rings for floated applications
Specifications
- GTIN
- 00614046686250
- Weight
- 7.14 lb
- Height
- 4.54 in
- Length
- 14.92 in
- Width
- 9.31 in
- EO
- Legal US
- Life cycle
- Available to Order
- AAM brand code
- SPP
- Warehouse brand code
- BHVW
- AAIA brand code
- BHVW
Attributes
- Bore (Inch)
- 3.820
- Compression Distance
- 1.800
- Dome Volume CC
- -24.0
- Groove 1 Qty
- 2
- Groove 1 Width
- 5/64
- Groove 2 Qty
- 1
- Groove 2 Width
- 3/16
- Head Illustration
- 28
- Head Type
- .255 dish; DUROSHIELD skirt coated piston
- Lock Ring
- N/R
- Minimum Clearance
- .0015
- Oversize Inch
- .020
- Part Material
- Hypereutectic
- Pin Diameter (Inch)
- 0.939
- Pin Type
- P
- Pin Weight Gram
- 156
- Weight W Pin Gram
- 672
- Weight w/o Pin Gram
- 516
Fitment status
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Application summary
Performance
Resources
Speed Pro H521ACP 20
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