SKU: BSPFM1325PC
UPC: 800770108193
MPN: FM1325PC
The BBC Serpentine Conversion Kit For A/C Add On from Billet Specialties is a driver-side pulley kit engineered for big block Chevy engines requiring air conditioning integration. This polished aluminum head-mount system is designed to work with Sanden 508 compressors paired with long water pump configurations, delivering a complete accessory drive solution that maintains proper belt alignment and tension across multiple engine-mounted components.
Billet Specialties' polished finish provides both aesthetic appeal and corrosion resistance, critical for engine bay longevity. The aluminum construction balances weight savings with strength necessary for sustained high-rpm operation. The Sanden 508 compressor compatibility ensures reliability in modern air conditioning retrofit applications, while the long water pump specification accommodates factory cooling system geometry found in many big block platforms. Each component is precision-manufactured to maintain critical clearances and minimize vibration during engine operation.
This conversion kit addresses a common challenge for big block Chevy owners modernizing their cooling and climate control systems: sourcing a driver-side pulley arrangement that integrates contemporary compressor technology without compromising belt drive geometry. Engine builders, restoration shops, and performance enthusiasts working on street, strip, or show applications benefit from this bolt-on solution that eliminates custom fabrication and timing complexity. The polished presentation complements high-visibility engine bays while delivering the functional integration required for year-round drivability.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.