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

IN STOCK - DROPSHIPS 2015CPGCOMP Cams Magnum Roller Chain OL/FB/FC 1967-1979 Mercury Cougar XR-7 1977-1979 Mercury Cougar Base $67.39 |

IN STOCK - DROPSHIPS 2121CPGCOMP Cams Magnum Double Roller Timing Sets include induction hardened cast iron camshaft gears, billet steel crank sprockets and heavy-duty, heat-treated double roller timing chains. They feature 3 keyway crank sprockets for 4? incremental adjustability with a 4? maximum advance or retard. These s... COMP Cams Magnum Double Row Timing Set 351 1970-1979 Mercury Cougar XR-7 1977-1979 Mercury Cougar Base $119.97 |
IN STOCK - DROPSHIPS 2135comes complete with Gears and chain. Ideal for mild street performance applications.... COMP Cams Magnum Double Row Timing Set FW 69 1974-1979 Mercury Cougar XR-7 1977-1979 Mercury Cougar Base $100.30 |
SHIPS FROM MANUFACTURER 282Manufactured and packaged in the U.S.A., this new line of powder coated die cast aluminum valve covers will offer you a sleek, high performance look combined with rigid durability and unmatched reliability. They are a perfect addition to any high performance engine. These valve covers are perimeter ... COMP Cams Die Cast Valve Cover Set SBf W 1974-1981 Mercury Cougar XR-7 1977-1979 Mercury Cougar Base $209.89 |
IN STOCK - DROPSHIPS 3008CPGCOMP Cams Timing Chain FB/OL Kt Set 1973-1978 Mercury Cougar XR-7 1977-1978 Mercury Cougar Base $121.77 |
IN STOCK - DROPSHIPS 3108KTchain available separately. Torrington Roller trust bearing reduces friction. Ideal for all street performance and race applications.... COMP Cams Roller Timing Set Ford inFEin A 1973-1978 Mercury Cougar XR-7 1977-1978 Mercury Cougar Base $259.25 |
OUT OF STOCK 3121CPGCOMP Cams Hi-Tech Roller Race Timing Sets include cast iron camshafts gears, induction hardened billet steel crank sprockets, and pre-stretched, heat-treated double roller chains with heavy-duty large pin design. They feature 3 keyway crank sprockets for 4? incremental adjustability with 4? maximum ... COMP Cams Hi-Tech Roller Timing Set FC 1970-1979 Mercury Cougar XR-7 1977-1979 Mercury Cougar Base $141.02 |
IN STOCK - DROPSHIPS 3135CPGCOMP Cams Hi-Tech Roller Race Timing Sets include cast iron camshafts gears, induction hardened billet steel crank sprockets, and pre-stretched, heat-treated double roller chains with heavy-duty large pin design. They feature 3 keyway crank sprockets for 4? incremental adjustability with 4? maximum ... COMP Cams Hi-Tech Roller Timing Set FW 1974-1979 Mercury Cougar XR-7 1977-1979 Mercury Cougar Base $123.38 |
IN STOCK - DROPSHIPS 3221CPGCOMP Cams High Energy Timing Chain Sets include precision cast iron camshaft and crank gear sprockets and premium quality link belt type timing chain. These sets exceed all original equipment timing chain specifications and are ideal for stock replacement and mild performance applications.... COMP Cams Hi Energy Timing Chain Set FC 1970-1979 Mercury Cougar XR-7 1977-1979 Mercury Cougar Base $78.12 |
IN STOCK - DROPSHIPS 3330CPGCOMP Cams High Energy Timing Chain FS 1972-1981 Mercury Cougar XR-7 1977-1979 Mercury Cougar Base $52.47 |
IN STOCK - DROPSHIPS 7138CPGCOMP Cams Keyway Adjustable Billet Timing Sets include induction hardened, precision machined steel billet gears and pre-stretched, heat-treated double roller timing chains with heavy-duty large pin design. They feature a 9 keyway crank sprocket for 2? incremental adjustability with 8? maximum advan... COMP Cams Billet Timing Set FS 9- Keyway Adjustable 1967-1981 Mercury Cougar XR-7 1977-1979 Mercury Cougar Base $153.22 |

OUT OF STOCK 3321CPGCOMP Cams High Energy Timing Chain FC 1970-1979 Mercury Cougar XR-7 1977-1979 Mercury Cougar Base $63.07 |

OUT OF STOCK 7821Edelbrock part #7821 Performer-Link timing chain is for use with Edelbrock or stock cams. They have a solid-bushing chain for a true bearing surface that rolls with the sprockets, eliminating chain stretch. Cam sprockets are made from 35,000 psi tensile strength cast iron. Crank sprockets are made f... Edelbrock Timing Chain And Gear Set Ford 351-400 1970-1979 Mercury Cougar XR-7 1977-1979 Mercury Cougar Base $131.71 |

OUT OF STOCK M-6269-A302When your cam 'walks' in the block, it grinds the cam gear against the face of the block. Ford Racing thrust plates will not only protect your block, they can even free up some extra horsepower.... Ford Racing 302-351W Camshaft Retainer Plate 1974-1981 Mercury Cougar XR-7 1977-1979 Mercury Cougar Base $86.58 |