🚗 Rev Up Your Performance with Edelbrock! Complete single head with 2.09" intake and 1.66" exhaust valves. 428 Cobra Jet-sized valves for unmatched streetable power. 72cc combustion chambers designed for stock replacement valves. Machined surfaces ensure a perfect fit to mating parts. CNC-machine profiled intake and exhaust runners for superior flow. CNC precision Streetable power 170cc intake The Edelbrock 60069 Performer Cylinder Head is engineered for optimal performance, featuring CNC-machine profiled intake and exhaust runners, 72cc combustion chambers, and oversized valves for enhanced flow. Weighing 31.4 pounds and measuring 26 x 11.2 x 8.5 inches, this head is designed for precision fit and streetable power, making it an essential upgrade for any serious automotive enthusiast.