Looking for aftermarket parts to modify or upgrade your 1978 Mercury Cougar with heads? At Tunersports.com we carry a huge selection of the top name brand performance head parts and accessories.

OUT OF STOCK 2090Edelbrock part #2090 Performer RPM Top End Kit is designed for 1969-95 Small-Block Ford 351W V-8 engines. This Top End Kit produced 451 HP & 433 TQ on a 351W c.i.d engine with 9.5:1 compression. The kit delivers improved performance in street applications from 1,500 to 6,500 rpm range. This kit incl... Edelbrock Top End Kit for S/B Ford 351W - 460+ HP w/ RPM Xtreme Heads and Roller Camshaft 1974-1979 Mercury Cougar XR-7 1977-1979 Mercury Cougar Base $5,166.95 |
OUT OF STOCK 2091Edelbrock part #2091 Performer RPM Top End Kit is designed for 1981 & earlier Ford 289-302 engines. This Top End Kit produced 367 HP & 340 TQ on a 302 c.i.d engine with 9.5:1 compression. The kit delivers improved performance in street applications from 1,500 to 6,500 rpm range. This kit includes RP... Edelbrock Power Package Top End Kit 289-302 Ford 367 Hp 1977-1979 Mercury Cougar Base 1977-1981 Mercury Cougar XR-7 $3,617.95 |
OUT OF STOCK 2092Edelbrock part #2092 Performer RPM Top End Kit is designed for 1969-95 Small-Block Ford 351-W V-8 engines. This Top End Kit produced 400 HP & 412 TQ on a 351-W c.i.d engine with 9.5:1 compression. The kit delivers improved performance in street applications from 1,500 to 6,500 rpm range. The kit inc... Edelbrock Power Package Top End Kit 351W Ford 400 Hp 1974-1979 Mercury Cougar XR-7 1977-1979 Mercury Cougar Base $3,616.95 |

OUT OF STOCK M-6049-Z2a recent European study identified Mustang as the most desirable classic car in Europe. Motorsports continue to evolve, with advances in technology and greater demand for smaller powertrains, as well as growing appetite for new formats like Rally Cross and Drifting. How it develops in the next 50 ye... Ford Racing Z2 289/302/351W Aluminum Head w/ Velocity Vane 1977-1979 Mercury Cougar Base $1,473.41 |