Beat-a-Price Guarantee - You Find It, We'll Beat It!

Beat-a-Price Guarantee - You Find It, We'll Beat It!

Shop Deals On Street Rod Upgrades & Get Rolling Today!

MERCURY ZEPHYR Engines & Components

Part Groups

Results 1 - 24 of 47

Summit Racing™ OE-Style Harmonic Dampers

Summit Racing™ OE-style harmonic dampers are ideal for those mild street rebuilds that don't require the expense of a high-buck race damper. They feature durable nodular construction with bonded elastomer between the inner and outer rings. The balancers also have engraved timing marks, which means no timing tape! Summit dampers are available in a variety of sizes for many engine balance applications. Models are available for hundreds of vehicles; order the OE replacement recommended for your ride.

4.51 out of 5 stars ( 659 )

$101.99

Summit Racing™ Bracket Racer SFI Harmonic Dampers

You don't have to sacrifice safety or quality to save money; our affordable Summit Racing™ bracket racer SFI dampers have been spin-tested to 12,500 rpm and carry an SFI-18.1 rating. The carbon steel dampers have an injection-molded and bonded elastomer, easy-to-read engraved timing marks, removable counterweights (where applicable), and a highly polished baked-enamel finish, so they look as good as they perform.

4.57 out of 5 stars ( 386 )

$182.99

Ford Performance Parts Aluminum Valve Covers

What's a high performance Ford without a set of Ford Performance Parts aluminum valve covers? Take your pick from cast aluminum covers with smooth, finned, and pentroof designs in a variety of polished, satin black, and powdercoated finishes. The valve covers are available in a variety of styles with an impressive array of Ford, Cobra, and Mustang logos that are sure to add an individual touch to your Ford. Features include: * Available for a wide variety of Ford engines * Baffled * May require modifications for roller rockers * Some applications will clear stud girdles and roller rocker arms * Where applicable, include oil fill cap and grommets * 1.200 in. round oil fill/PCV holes on some applications * Most are 50-state legal when installed with appropriate closed PCV hardware

4.3 out of 5 stars ( 181 )

$191.99

$210.99

Proform Super-Street Roller Rocker Arms

These Proform Super-Street roller rocker arms will help rid your engine of internal friction. They feature a race-proven, cage bearing fulcrum and roller tip. The Super-Street rocker arms not only unleash horsepower, but they also lengthen valvetrain component life and reduce wear and tear on valve stem tips. Proform rockers are precision-machined to ensure consistency and ratio accuracy, and they have a great looking anodized finish.

3.69 out of 5 stars ( 123 )

$226.99

Edelbrock Elite II Series Valve Covers

Edelbrock Elite II Series valve covers are the next generation of the original Elite Series valve covers. The Elite II Series feature a design that is influenced by the Elite Series originally released in 1985, but with a new modern take on this classic look. The valve covers are made from heavy-gauge, die-cast aluminum and are finished off with a show quality high luster polished finish. The raised fins are accented by a contrast gloss black finish between the fins for the definitive Elite Series look. Depending on application, Elite II valve covers are available in both stock and tall styles. Tall profile valve covers are 2 in. taller than stock and clear most roller rockers and valve train components, while the stock profile versions clear accessories like air-conditioning and alternator brackets.

4.69 out of 5 stars ( 176 )

$196.95

Trick Flow® Track Max® Harmonic Dampers

Put the engineering expertise of Trick Flow® to work on your engine with a Track Max® harmonic damper. These SFI-18.1 rated, carbon steel dampers have an injection-molded and bonded elastomer plus engraved timing marks for easy adjustment. The corrosion-resistant black powdercoated finish provides good looks and long-lasting durability.

4.19 out of 5 stars ( 68 )

$279.99

Trans-Dapt Performance Remote Oil Filter Relocation Kits

Trans-Dapt Performance remote oil filter relocation kits allow you to move your oil filter to a more accessible location, making filter changes quick and easy. They're available in single or dual filter kits. Dual filter kits double the filtration of your oil system to keep oil cleaner and add an extra quart of oil capacity.

3.51 out of 5 stars ( 79 )

$112.99

$151.99

Speed-Pro Hypereutectic Pistons

If you're looking for pistons with an unbeatable combination of performance and value, then Speed-Pro hypereutectic pistons are for you. These pistons are manufactured from aluminum alloy that contains 16 percent silicon for greater strength and wear resistance. They're also molded in the latest permanent-mold technology to ensure the precise fit and tight bore clearances that today's top engine builders demand. Hypereutectic pistons are ideal for use in high performance street, bracket, and oval track racing—and will work perfectly with normal ring end gaps. Choose the model designed for your vehicle and engine application.

4.58 out of 5 stars ( 330 )

$139.99

$241.99

PowerBond Race Performance Harmonic Balancers

PowerBond Race performance harmonic balancers bring the advantages of bonded balancers to high-revving and high-horsepower street/race applications where an SFI-approved balancer is required. They have been tested beyond 21,000 rpm without failure, and every balancer features a precision CNC-machined AISI 1045 forged steel hub bonded to an equally strong steel inertia ring. They are very light and in most cases, they are only marginally heavier than the original cast iron balancer. The steel inertia ring on the Race Series models is positively protected against forward and backward movement. PowerBond uses our Race Series high-pressure, low-cure that features a natural rubber developed in our laboratory. Every model has easy to read computer etched timing marks and meet SFI specification 18.1.

4.64 out of 5 stars ( 98 )

$274.99

Clevite H-Series Main Bearings

Clevite H-Series main bearings were developed primarily for NASCAR racing, but are well suited to other types of competition engines as well. They're especially good for engines that run at medium-to-high revs. They have steel backings with carefully selected overlays and a high crush factor, plus a medium level of eccentricity. H-Series bearings have enlarged chamfers at the sides for greater crank-fillet clearance and are made without flash plating for better seating. They are also available with either 180 degree or 360 degree oil grooves, as well as an extra 0.001 in. of clearance.

4.66 out of 5 stars ( 134 )

$100.99

$117.99

Instant Rebate

Derale Engine Oil Filter Relocation Kits

Now you can easily move your vehicle's oil filter to a more convenient location for quicker and easier filter changes with one of these Derale Performance engine oil filter relocation kits. They work great for engine swaps, too! The kits are available for hundreds of vehicles; order the model recommended for your application.

3.84 out of 5 stars ( 38 )

$101.16

Ford Performance Parts Timing Chain Sets

Ford Performance Parts timing-chain sets are available for a variety of the company's performance engines. They include rugged, double-row roller chains for excellent performance and reliability. They also feature crank sprockets with nine keyways, which give you nine choices for cam timing--stock, plus four each advanced and retarded settings. Most sprockets are cast iron; however, some sets have steel cam sprockets for extra strength.

4.72 out of 5 stars ( 29 )

$172.99

$183.99

PowerBond Premium OEM Replacement Harmonic Balancers

PowerBond Premium replacement harmonic balancers offer high-quality for the professional engine rebuilder or shade tree mechanic. Featuring a spheroidal graphite iron casting which is considered near-steel strength material, they use both inserted and pressure-bonded rubber that produces rubber strength that is stronger than competitive balancers. PowerBond Premium replacement harmonic balancers are available for the most popular passenger cars, light commercial trucks, and 4WD applications.

4.54 out of 5 stars ( 207 )

$104.99

$107.99

Cloyes Street Billet True Roller Timing Sets

Offering a level of True Roller advantage for the value-racer, Cloyes upgraded the cam sprockets to feature the strength of billet steel and added critical functioning features. The billet steel durability, 9-keyway induction-hardened crank sprocket, .250 True Roller chain, and precise CNC machining together offer quality and adjustability unmatched in their class. Features include: • Billet steel cam sprocket • Induction heat-treated billet steel crank sprocket • 9 keyways allow +/- 8 degrees • Adjustability in 2 crank degree increments • True Roller chain with .250 in. diameter rollers

4.57 out of 5 stars ( 140 )

$114.99

Melling Performance Oil Pumps

Melling's years of experience are apparent in these Performance oil pumps. They boast a CNC-machined body and cover and hardened steel gears that are up to 25 percent longer, providing additional flow to performance engines with wider bearing clearances. Their drive and idler shafts have been extended into the cover to provide additional support and eliminate dynamic shaft deflection.

4.65 out of 5 stars ( 188 )

$100.99

Earl's Performance Oil Filter Bypass Adapters

Many installations, particularly oil cooler installations, require the oil filter to be relocated. Earl's has bypass adapters for most spin-on and many bolt-on applications. They're designed to be quick and easy to install.

4.92 out of 5 stars ( 13 )

$119.95

On Sale

Mr. Gasket Aluminum Valve Covers

Mr. Gasket aluminum valve covers are fabricated from 100 percent TIG-welded 6061 T-5 aluminum sheeting for a perfect lightweight fit. Available in natural, polished, powdercoat, or anodized finishes, they'll enhance the appearance of any engine compartment. The covers feature an extended sealing lip to positively locate and secure the gasket from moving, eliminating oil leaks. These valve covers can be ordered with plain or finned tops, and each piece includes a 1 1/4 in. diameter breather hole (except where noted). Order the model designed for fitment on your make/model and engine type.

3.9 out of 5 stars ( 78 )

$215.95

Dorman Timing Covers

Dorman timing covers are a direct replacement that matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards. Features: * Direct replacement - this engine timing cover matches the fit and function of the original equipment cover. * Durable construction - this part is specifically designed to withstand extreme underhood temperatures for a long service life. * Cost-effective solution - offers original equipment quality at a competitive price. * Quality tested - this part has undergone extensive testing to ensure a quality fit and long service life.

3.66 out of 5 stars ( 116 )

$140.95

Hastings Premium Ductile Ring Sets

Whether it's a car, truck, motorcycle, marine, or performance racing application—properly sealing the piston to the engine block is a requirement. Hastings premium ductile ring sets do just that, and they're offered in many different options to fit virtually any piston. If the engine you're working on is blowing smoke, using excessive oil, or at a loss for power, it may be time for new rings. These premium ductile piston ring sets are great for rebuilds or new builds, daily drivers or performance vehicles. Order the sizes needed for your project.

4.54 out of 5 stars ( 130 )

$101.99

$261.99

PRW Pro Series Billet Aluminum Rocker Arms

PRW Pro Series billet aluminum rocker arms offer outstanding power and performance advantages for street, strip, and track applications. Laboriously made from high-strength 6061 T-6 aluminum extrusions, each piece is precision CNC-machined, and hand-finished to ensure the quality you expect from PRW. These stud-mount rockers are purposely machined to graciously allow for larger springs and retainers, with full-cage, friction-reducing needle bearings for added durability. PRW Pro Series billet aluminum rocker arms are used around the world by professional racers, engine builders, and hot rod enthusiasts. Order the set recommended for your specific vehicle and engine size. Features, items, and specs: * Wide assortment of ratios to suit almost any cam profile * PRW RockerLocs * Heat-treated steel nose rollers and shafts minimize wear between roller tip and valve stem * Rated at 750 lbs. open spring pressure * Internal oiling system for long-lasting performance * Distinctive blue anodized finish

1.92 out of 5 stars ( 12 )

$261.12

Speed-Pro Piston and Ring Kits

Speed-Pro piston and ring kits include either cast, hypereutectic, or forged pistons and a set of matching moly-faced piston rings. The pistons include new wrist pins and come available in standard bores as well as oversized bores to fit your specific engine combination. Save yourself some extra money and get matching components in one package. The Speed-Pro piston and ring kits will help get your engine fired back up in no time.

4.33 out of 5 stars ( 6 )

$199.99

PRW Fabricated Valve Covers

PRW fabricated valve covers give your engine an edge and awesome looks. Attention vintage racers, competition junkies, and machining enthusiasts trying to save weight, PRW covers are fabricated from 6061 T-6 aluminum alloy, and have successfully endured rigorous individual pressure testing, proving that they are built to last. Their incredible ability to withstand the harsh elements of racing makes them the perfect solutions for street rod and racing applications. PRW fabricated valve covers are offered in different mounting styles, heights, finishes. They all feature thicker rails and better materials to assure long-lasting durability, and they include fasteners for a no-hassle install.

3.5 out of 5 stars ( 16 )

$190.46

$210.34

Ford Performance Parts Oil Pan Reinforcement Rails

Ford Performance Parts oil pan reinforcement rails protect from oil pan leaks. They are precision laser cut components fabricated to work with your factory flat-flange oil pans to help minimize seepage. These rails are specifically designed for use with the original style oil pan and will not fit most aftermarket pans. So whether you are trying to stop a leak or just looking for safer support, these rails are a useful addition. Note: These reinforcement rails are made to be used with a one-piece silicone rubber oil pan gaskets, as well as longer oil pan bolts (sold separately).

5.0 out of 5 stars ( 7 )

$225.99

Trans-Dapt Performance OEM Replacement Oil Pans

Replace your dented or rusted-out OE oil pans with Trans-Dapt Performance OEM replacement oil pans. These pans will fit the chassis just like factory equipment. These durable steel oil pans are available in multiple finishes to suit your needs.

4.07 out of 5 stars ( 30 )

$149.99

Modal Header