AFR SB-Ford Valve Covers 421991 Severe duty applications or newly

Severe duty applications or newly installed systems may require more frequent maintenance

Heavy-duty black alkyd caps and rotors are also available as lower cost alternatives

Packed 20 per pack / 10 packs per box (200 total)

180 degree floating arm gussets

Founded in 1968 in Memphis

AFR SB-Ford Valve Covers 421991 Severe duty applications or newlyHigh Quality CNC Engraved Valve Covers AFR high quality Polished Aluminum and Black Powder Coat CNC Engraved Valve Covers. With multiple heights to fit most applications these valve covers are a great addition to any engine dressing. All valve covers come with rubber grommets for PCV ventilation. For over thirty years Airflow Research has been defining technological leadership in cylinder head manufacturing and flow dynamics. Product Description: