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ACDelco GM Genuine Parts lifter valley plates are designed, engineered, and tested to rigorous standards--and backed by General Motors. They're available in a variety of styles for vehicles from the 1990s and up. These true OE replacement parts offer a precise fit for an easier install. For optimal performance, stay with the brand your vehicle came with: GM Genuine Parts.
( 1 )
$166.99
$119.50
Clearance
PRW Pro Series stainless steel rocker arms are manufactured from lightweight, premium quality 17-4ph stainless steel—a superior alloy high in nickel and chromium. This rigid, premium material provides outstanding fatigue resistance, and high-yield strength to help resist deflection. These rocker arms feature full-cage, friction-reducing needle bearings, and extra-large trunnions to spread out the load and reduce wear. Each rocker body is hand-polished, assembled, and carefully inspected to deliver the finest quality available to the racing and performance industry. Reduce your valvetrain mass with durable, lightweight PRW Pro Series stainless steel rocker arms. 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 * Each set of 16 comes complete with PRW RockerLocs * Stud-mount design provides plenty of clearance for large diameter springs * CNC-machined pushrod cups * Heat-treated steel nose rollers and shafts resist severity of racing and minimize scrubbing
( 10 )
$27.99
$19.50
Clearance
PRW LS OEM upgrade rocker arms are designed as drop-in systems to replace the OEM valvetrain. These 1.7 ratio x 8mm rocker arms install easily on your LS cylinder heads without any necessary modifications. They include drawn cup needle roller trunnion bearings. Increase horsepower and strengthen your valvetrain with PRW LS OEM upgrade rocker arms. Order the kit that matches your specific model.
Not Yet Reviewed
$24.41
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$299.60
$17.50
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$209.50
Clearance
INA variable cam timing phasers can phase the valve timing in an internal combustion engine to provide early opening or late closing of the intake and exhaust valves. Optimized camshaft phasing reduces exhaust emissions, reduces fuel consumption, and improves performance and driver comfort. Camshaft phasing is an important element today in developing more fuel efficient engines.
Not Yet Reviewed
$190.99
$99.50
Clearance
Kibblewhite makes these lower collars to keep your valve springs perfectly in place. The lower collar provides a seat for the valve spring to keep it from moving around, causing excessive wear to your engine or the spring itself. These collars are machined to the highest standards out of either 7075-T6 aluminum or precisely controlled, heat-treated steel, depending on the application, to provide the best results. Don't miss out on a small item that can have a big impact--upgrade to these Kibblewhite lower collars when you are upgrading the rest of your valvetrain.
Not Yet Reviewed
$33.99
$18.50
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
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
These Sealed Power valve locks are ideal for upgrades and rebuilds. They're available in stamped steel or chromoly steel versions with a variety of lock angles for your building needs.
Not Yet Reviewed
$1.99
$1.50
Clearance
Mast solid stainless steel valves are the necessary premium hardware to complete your cylinder head build. These racing exhaust valves are designed with lightweight solid stems. You'll gain superior valvetrain stability with Mast Motorsports stainless steel exhaust valves. Order the length and diameter needed for your vehicle and engine application.
Not Yet Reviewed
$28.49
$14.50
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