Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The Edelbrock Performer RPM cylinder head is a bolt-on upgrade for 1967–1991 AMC 343, 360, 390 and 401 V8 engines, offering improved mid- to high-lift flow with a 45° intake seat and dual-drilled intake flange to fit early and late manifolds. Complete with larger valve springs, adjustable rocker studs and guide plates, it maintains stock port locations for standard manifolds and includes step-dowel pins for pre-1970 blocks.
Edelbrock Cyl Head Perf RPM AMC 290 304 343 360 390 401 V-8 w/ Mach Exhst X-Over Complete
