Ford Small Block Billet Aluminum Underdrive Pulley Set
Ford Small Block Billet Aluminum Underdrive Pulley Set
SKU: SKU: JM5005
In stock
Product Details
Features
- Reduces accessory drag to help free up usable engine horsepower.
- Lightweight billet aluminum construction improves durability while reducing rotating mass.
- Fits Ford Small Block Windsor 302 (5.0L) and 351W serpentine applications.
- Complete 3-piece underdrive pulley set with crankshaft hardware included.
Description
Ford Small Block Billet Aluminum Underdrive Pulley Set for 302 5.0L & 351W Windsor Engines
Improve engine efficiency and reduce parasitic accessory drag with the Top Street Performance Billet Aluminum Underdrive Pulley Set for Ford Small Block Windsor engines. Designed for 1979-1996 serpentine-equipped 302 (5.0L) and 351 Windsor (5.8L) applications, this lightweight 3-piece pulley kit helps improve available horsepower by slowing accessory drive speeds while maintaining dependable street performance.
Precision-machined from billet aluminum, these performance-ratio pulleys reduce rotating mass compared to factory pulleys while providing an attractive performance appearance. Available in both black and machined finishes, they are an excellent upgrade for street performance vehicles, Fox Body Mustangs, street rods, restomods, custom Ford builds, and other Small Block Windsor-powered projects using a 6-rib serpentine accessory drive.
The kit includes crankshaft, water pump, and alternator pulleys along with crankshaft pulley bolts for installation. The power steering, air conditioning, and idler pulleys are not included, allowing compatibility with many existing accessory drive configurations.
Whether you're refreshing an engine bay, building a naturally aspirated performance engine, or reducing accessory load during a street performance build, this billet underdrive pulley kit offers improved efficiency with durable CNC-machined aluminum construction.
Product Benefits
Upgrade your Ford Small Block Windsor engine with a lightweight billet aluminum underdrive pulley set engineered to reduce accessory drive speed and minimize parasitic power loss. The precision-machined aluminum construction helps decrease rotating mass while providing long-lasting durability and an attractive performance finish.
Performance Benefits
Underdrive pulleys allow more engine power to reach the drivetrain by reducing the energy required to operate engine accessories. This makes them a popular upgrade for street performance builds, weekend cruisers, muscle cars, and custom Ford projects where improved engine efficiency and cleaner engine bay appearance are desired.
Specs
| Pulley Style | Serpentine |
| Pulley Set Style | Performance Ratio |
| Pulley Material | Aluminum |
| Crankshaft Pulley Grooves | 6-Groove Serpentine |
| Water Pump Pulley Grooves | Non-Ribbed |
| Alternator Pulley Grooves | 6-Groove Serpentine |
| Power Steering Pulley | Not Included |
| Air Conditioning Pulley | Not Included |
| Idler Pulley | Not Included |
| Hardware | Crankshaft Pulley Bolts |
| Quantity | Sold as a Set Of 3 |
Engine Fitment
COMPATIBLE WITH
FORD SMALL BLOCK WINDSOR V8
• 4.9 L / 302 in3 generally referred to as 5.0 L
• 5.8 L / 351 in3 generally referred to as 351W
NOTES
• Fits Ford Small Block Windsor 302 (5.0L) and 351W (5.8L) engines.
• Designed for factory-style 6-rib serpentine belt systems.
• Verify accessory configuration, belt alignment, and clearance before installation.
• Does not fit 1994–1995 Ford Mustang applications.
COMMON VEHICLE APPLICATIONS
• Ford Mustang 5.0L performance builds (1979–1993)
• Ford F-150 5.0L and 5.8L performance projects
• Ford Bronco 5.0L and 5.8L builds
• Ford LTD and Crown Victoria 5.0L upgrades
• Street rods and hot rods using Small Block Ford Windsor engines
• Restomod and custom Ford performance builds
Q&A
Emissions Notice
This product does not affect vehicle emissions and is not subject to emissions compliance regulations.
Ford Small Block Billet Aluminum Underdrive Pulley Set
Ford Small Block Billet Aluminum Underdrive Pulley Set for 302 5.0L & 351W Windsor Engines
Improve engine efficiency and reduce parasitic accessory drag with the Top Street Performance Billet Aluminum Underdrive Pulley Set for Ford Small Block Windsor engines. Designed for 1979-1996 serpentine-equipped 302 (5.0L) and 351 Windsor (5.8L) applications, this lightweight 3-piece pulley kit helps improve available horsepower by slowing accessory drive speeds while maintaining dependable street performance.
Precision-machined from billet aluminum, these performance-ratio pulleys reduce rotating mass compared to factory pulleys while providing an attractive performance appearance. Available in both black and machined finishes, they are an excellent upgrade for street performance vehicles, Fox Body Mustangs, street rods, restomods, custom Ford builds, and other Small Block Windsor-powered projects using a 6-rib serpentine accessory drive.
The kit includes crankshaft, water pump, and alternator pulleys along with crankshaft pulley bolts for installation. The power steering, air conditioning, and idler pulleys are not included, allowing compatibility with many existing accessory drive configurations.
Whether you're refreshing an engine bay, building a naturally aspirated performance engine, or reducing accessory load during a street performance build, this billet underdrive pulley kit offers improved efficiency with durable CNC-machined aluminum construction.
Product Benefits
Upgrade your Ford Small Block Windsor engine with a lightweight billet aluminum underdrive pulley set engineered to reduce accessory drive speed and minimize parasitic power loss. The precision-machined aluminum construction helps decrease rotating mass while providing long-lasting durability and an attractive performance finish.
Performance Benefits
Underdrive pulleys allow more engine power to reach the drivetrain by reducing the energy required to operate engine accessories. This makes them a popular upgrade for street performance builds, weekend cruisers, muscle cars, and custom Ford projects where improved engine efficiency and cleaner engine bay appearance are desired.
COMPATIBLE WITH
FORD SMALL BLOCK WINDSOR V8
• 4.9 L / 302 in3 generally referred to as 5.0 L
• 5.8 L / 351 in3 generally referred to as 351W
NOTES
• Fits Ford Small Block Windsor 302 (5.0L) and 351W (5.8L) engines.
• Designed for factory-style 6-rib serpentine belt systems.
• Verify accessory configuration, belt alignment, and clearance before installation.
• Does not fit 1994–1995 Ford Mustang applications.
COMMON VEHICLE APPLICATIONS
• Ford Mustang 5.0L performance builds (1979–1993)
• Ford F-150 5.0L and 5.8L performance projects
• Ford Bronco 5.0L and 5.8L builds
• Ford LTD and Crown Victoria 5.0L upgrades
• Street rods and hot rods using Small Block Ford Windsor engines
• Restomod and custom Ford performance builds
SPECIFICATIONS
Pulley Style: Serpentine
Pulley Set Style: Performance Ratio
Pulley Material: Aluminum
Crankshaft Pulley Grooves: 6-Groove Serpentine
Water Pump Pulley Grooves: Non-Ribbed
Alternator Pulley Grooves: 6-Groove Serpentine
Power Steering Pulley: Not Included
Air Conditioning Pulley: Not Included
Idler Pulley: Not Included
Hardware: Crankshaft Pulley Bolts
Quantity: Sold as a Set Of 3
