Does the Penske Racing Shocks PI-HF14005 Piston H/F 1-Deg/4-Deg fit my vehicle?

Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.

How long is shipping for Penske Racing Shocks?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How do I install the Penske Racing Shocks PI-HF14005 Piston H/F 1-Deg/4-Deg?

Suspension work requires proper spring compressors and torque specs. Plan 2-4 hours per corner for a DIY install.

Does the Penske Racing Shocks PI-HF14005 Piston H/F 1-Deg/4-Deg fit my vehicle?

Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.

How long is shipping for Penske Racing Shocks?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How do I install the Penske Racing Shocks PI-HF14005 Piston H/F 1-Deg/4-Deg?

Suspension work requires proper spring compressors and torque specs. Plan 2-4 hours per corner for a DIY install.

Does the Penske Racing Shocks PI-HF14005 Piston H/F 1-Deg/4-Deg fit my vehicle?

Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.

How long is shipping for Penske Racing Shocks?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How do I install the Penske Racing Shocks PI-HF14005 Piston H/F 1-Deg/4-Deg?

Suspension work requires proper spring compressors and torque specs. Plan 2-4 hours per corner for a DIY install.

Does the Penske Racing Shocks PI-HF14005 Piston H/F 1-Deg/4-Deg fit my vehicle?

Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.

How long is shipping for Penske Racing Shocks?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How do I install the Penske Racing Shocks PI-HF14005 Piston H/F 1-Deg/4-Deg?

Suspension work requires proper spring compressors and torque specs. Plan 2-4 hours per corner for a DIY install.

Does the Penske Racing Shocks PI-HF14005 Piston H/F 1-Deg/4-Deg fit my vehicle?

Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.

How long is shipping for Penske Racing Shocks?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How do I install the Penske Racing Shocks PI-HF14005 Piston H/F 1-Deg/4-Deg?

Suspension work requires proper spring compressors and torque specs. Plan 2-4 hours per corner for a DIY install.

Penske Racing Shocks

Penske Racing Shocks PI-HF14005 Piston H/F 1-Deg/4-Deg

Name: Penske Racing Shocks PI-HF14005 Piston H/F 1-Deg/4-Deg
Brand: Penske Racing Shocks
SKU: GCHH_PI-HF14005
Price: 115.26 USD
Availability: InStock

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Penske Racing Shocks

Penske Racing Shocks PI-HF14005 Piston H/F 1-Deg/4-Deg

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SKU: GCHH_PI-HF14005

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Car Wheel Size Chart

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

225 = Tire width in mm
45 = Aspect ratio (height as % of width)
R17 = Rim diameter in inches

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About Penske Racing Shocks

Penske Racing Shocks engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Penske Racing Shocks lineup with fast shipping and expert fitment support — order with confidence.

Penske Racing Shocks PI-HF14005 Piston

Fine-tune your shock absorber's performance with the Penske Racing Shocks PI-HF14005 Piston. Engineered for precision damping control, this piston allows for advanced tuning of your suspension's response characteristics.

Technical Specifications:

Type: Shock Piston
Series: H/F (High Flow / Fast)
Taper: 1 Degree / 4 Degrees
Outer Diameter: 55 mm
Material: High-grade aluminum
Finish: Gray anodized for durability and corrosion resistance
Design: Linear valving characteristics

This aluminum piston is designed to provide exceptional fluid control, enabling precise adjustments to compression and rebound damping. The specific 1-degree and 4-degree tapers allow tuners to achieve a wide range of damping curves, making it ideal for racing applications where split-second adjustments can make a difference. The gray anodized finish ensures longevity and resistance to wear. Upgrade your shock's internal components for ultimate control and responsiveness.

Achieve superior damping control. Get the Penske Racing Shocks PI-HF14005 Piston at GGCRACING.