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Valve springs compress and rebound hundreds of times a second. Make sure your next set of valve springs are built to last—and built to win! Trick Flow® by PAC Racing single valve springs feature flat internal damping coils to prevent spring surge at high revs, maintaining proper spring pressure at critical load levels. PAC springs are CNC coiled from high tensile-strength, extra-durable Pacaloy chrome-silicon steel and double shot-peened beyond Aerospace Material Specifications (AMS) reliability standards.
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$34.99
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$39.99
$31.50
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$34.50
Clearance
Dove Manufacturing offers a variety of rocker arm replacement parts, including these end stand nuts. They're for use with 1046HD rocker assemblies when head studs are required. The end stand nuts are available for use on many Ford big block FE engine applications from the 1950s, '60s, and '70s.
Not Yet Reviewed
$41.79
$29.50
Clearance
Dove Manufacturing offers valve spring locators, both inside and outside shoulder types, in a variety of thicknesses and diameters. Valve springs require installation at a certain height to function correctly, and you can use a set of shims to achieve this. But that will not eliminate unwanted motion in the spring. Using these steel valve spring seat locators will allow the valve spring to maintain its designed location, without dancing around on the surface of the cylinder head and possibly damaging it. Order a set of 16 in the size needed for your application.
Not Yet Reviewed
$72.99
$49.50
Clearance
Melling replacement timing chains are available in several styles—single or double roller, link belt, or non-roller—for fitment on countless year/make/model vehicles. A key link in your engine, timing chains synchronize and transfer energy from the crankshaft to the camshaft, controlling when the intake and exhaust valves open. These solid-bushing chains offer a true bearing surface that rolls with the sprockets, eliminating chain stretch. Order the replacement designed for your specific application.
( 3 )
$55.99
$39.50
Clearance
ACDelco timing chains are quality replacement parts you can feel good about installing. These kits are available for fitment on hundreds of vehicles from the 1990s and up, delivering factory-style performance. Order the timing chain components recommended for your application.
( 1 )
$48.99
$24.50
Clearance
Dove Manufacturing offers jumbo-style valve locks in a variety of valve stem diameters. Machined from steel, these small 10-degree components are at the heart of competition valvetrains. If engines are exposed to over-revving, for instance, causing valve springs and even valve retainers to float, the valve locks ensure stability.
Not Yet Reviewed
$37.99
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$38.79
$26.50
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$27.50
Clearance
Dove Manufacturing offers chromoly steel retainers in a variety of lock styles and diameters. Valve spring retainers are responsible for keeping the correct pressure on the valve spring by locating it between the valve spring seat and the valve spring retainer itself. Order a set of 16 in the size needed for your application.
Not Yet Reviewed
$78.99
$39.50
Clearance
Keep your cam and crank in motion with new Melling timing sprockets. Their precision-made sprockets keep the connection between your camshaft, crankshaft, and timing chain/belt moving smoothly. Meet your OE expectations with Melling timing sprockets.
( 1 )
$48.99
$29.50
Clearance
Kibblewhite valve springs are designed using sophisticated, proprietary design and simulation software. That, as well as 70+ years of experience helps to determine critical characteristics, including stress, natural frequency, system harmonics, and fatigue life. Kibblewhite valve springs are made out of super-clean chrome-silicone valve spring wire and go through a heat treatment, stress-relief, and shot-peening process to allow Kibblewhite to bring you the best valve springs on the market in multiple styles, such as standard, high-lift, and beehive.
( 3 )
$66.99
$36.50
Clearance
ACDelco drive belt tensioners keep your belts just right—not too loose, not too tight. They offer a perfect complement to the full line of ACDelco belts with high-quality bearings that resist dirt and salt. Hundreds of models are available, with a variety of pulley styles. Reduce belt wear and keep them taut with the long-lasting replacement drive belt tensioner designed to fit your application.
( 38 )
$73.99
$21.50
Clearance
Are you putting Brodix cylinder heads on your engine? Or, do you just need high-quality valves for a project engine you're building? Order Brodix quality exhaust valves and be done with it. They're available in several configurations to cover a variety of vehicle and engine applications.
( 3 )
$34.99
$27.50
Clearance
Cardone new variable valve timing solenoid assemblies are test-fitted on engines to measure performance, ensure proper alignment of mounting brackets, and to verify electrical connectors fit securely. Cardone's desire to build better delivers a reliable, quality OE fit, function, and appearance that safeguard your satisfaction. Order the model designed for your application. Solenoid features and benefits: * Coil housings and mounting brackets are coated for corrosion resistance * Oil flow rate, pressure, electrical resistance, and leakage are tested on every unit to guarantee long-term dependability * The magnet coil and connector are integrated into a one-piece, encapsulated injection-molded body that reinforces wire bonds against vibration separation * The spool valve system utilizes aluminum valve bodies and spool valves that are surface-treated to create micro-finished sliding surfaces for increased wear resistance
Not Yet Reviewed
$58.99
$29.50
Clearance
ACDelco timing chain tensioners keep the pressure on! For your vehicle to run at optimum performance, your timing chain must be operating efficiently. These replacement tensioners will ensure your chain is in consistent working order to keep your engine marching "in time." The precision-machined and assembled parts offer an exact fit with a design for increased durability. Find the model designed for your application, then keep your timing chain in line with an ACDelco tensioner.
( 10 )
$30.99
$22.50
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