Vortech 6.0"/6.87" 8-Rib Crank Pulley for 1986-1993 Mustang 5.0L 4FA018-021
Premium 8-Rib Crank Pulley for Fox Body Mustang Supercharger Drives
The Vortech Superchargers 6.0"/6.87" 8-Rib Crank Pulley (PN 4FA018-021) is a high-quality, performance-grade crankshaft pulley engineered specifically for 1986-1993 Ford Mustang 5.0L V8 engines with a Vortech supercharger drive system. Designed to work with both standard and underdrive accessory configurations, this serpentine crank pulley features an 8-rib belt interface that delivers exceptional traction and consistent belt engagement under high boost and high RPM loads. :contentReference[oaicite:1]{index=1}
Manufactured from lightweight yet durable materials and precision CNC-machined to exact SAE standards, this crank pulley is built to withstand the stresses of forced induction while maintaining precise balance and long-lasting performance. Its design maximizes drive belt contact area, improving reliability and helping to ensure consistent accessory and supercharger drive engagement across the RPM band. :contentReference[oaicite:2]{index=2}
High-Quality Construction
- Engineered for use on 1986-1993 Mustang 5.0L V8 engines with Vortech supercharger systems
- 6.0"/6.87" diameter gives flexibility between stock accessory drive and swapped applications
- 8-rib serpentine belt interface for enhanced traction and belt stability under high loads
- CNC-machined from lightweight aluminum for strength and reduced rotational mass
- Hard anodized finish for corrosion resistance and long service life
- Balanced for smooth operation at high RPM
Quick Specs
- Manufacturer: Vortech Superchargers
- Part Number: 4FA018-021
- Application: 1986-1993 Ford Mustang 5.0L V8
- Pulley Diameter: 6.0"/6.87"
- Belt Type: 8-Rib Serpentine
- Material: CNC-Machined Aluminum
- Finish: Hard Anodized
Emissions & Legal Notice
- NOT AVAILABLE OR LEGAL FOR SALE IN CALIFORNIA
- Intended for off-road and race-use-only applications
- Installation on emissions-controlled vehicles driven on public roads may violate U.S. federal emissions law
FAQs
- Is this crank pulley a direct replacement for stock?
Yes - this pulley is designed to fit the crankshaft on 1986-1993 Mustang 5.0L engines with an 8-rib serpentine belt drive. - Why choose an 8-rib pulley over a factory pulley?
An 8-rib pulley increases the belt surface contact area, improving belt traction and reducing slip under high boost and high RPM conditions.
Why Buy from Beefcake Racing?
Beefcake Racing is an authorized Vortech Superchargers dealer with deep expertise in Fox Body Mustang performance upgrades. From selecting the right crank pulley to balancing accessory and supercharger drive ratios, our team helps ensure your Vortech parts work together for the best performance and reliability.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
