Air Flow Research www.airflowresearch.com +1 (661) 257 8124 28611 Industry Dr, Valencia, CA, 91355, USA Air Flow Research www.airflowresearch.com +1 (661) 257 8124 28611 Industry Dr, Valencia, CA, 91355, USA For over FORTY-FIVE years Air Flow Research has been defining technological leadership in cylinder head manufacturing and flow dynamics. This complete commitment to performance has enabled Air Flow Research's cylinder heads to find themselves on the fastest race cars and the most powerful street machines in the country. As every engine builder will attest to, the secret to increasing horsepower and performance lies in the cylinder head. Air Flow Research's cylinder heads outflow and out horsepower everything in their league. Contact Us Facebook page Twitter Instagram Contact Us Facebook page Twitter Instagram Latest News SLINGER SPEEDWAY Approved ✅ AFR 195cc Race Cyl. Head Premium Components & Insane Value | *NEW* AFR LS3 Cyl Head *NEW* AFR Small Block Ford Kits Your SBC Top End Kit is here! *NEW* AFR Dual-Plane Intake Manifold for BBC Choosing the Right Heads With AFR's Scott Hesselgrave AFR Wins PRI Featured Product Award New Product! - AFR'S New Black Hawk Series AFR 100% CNC Mongoose Cylinder Heads + Camshaft Guide AFR Enforcers Back In Stock! Air Flow Research Develops A Potent LS3 Cylinder Head and Cam Combo