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PRW Pro Series shaft-mount rocker arm kits are comprised of components from the finest manufacturers in the world. CNC machined billet steel pedestals, ground steel alloy rocker shafts, PRW alloy steel fasteners, and studs and bolts are included in the complete kits for a professional install. Each rocker body is relieved for extra valve spring clearance and anodized for added strength. Choose the kit designed for your vehicle.
Not Yet Reviewed
$775.05
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$918.18
Don't compromise your engine's performance or risk the well-being of your valvetrain with inferior lifters! Ensure consistent valve timing, efficient valvetrain operation, and maximum power with Isky Silver Series HPx needle-bearing hydraulic roller lifters. Isky Racing Cams uses advanced design and precision engineering to provide the quality that your ride deserves—find out for yourself when your order the Isky Silver Series HPX hydraulic roller lifters designed to fit your application.
( 10 )
$831.99
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$853.99
PRW Platinum Series shaft-mount rocker arm systems fulfill the needs of successful racers and performance engine builders at every level. The Performance Quotient PQx rocker arms are made from quality alloy extrusions. These systems include CNC-machined billet steel pedestals, and ground, steel alloy rocker shafts—along with PRW SCM-4135 alloy steel fasteners, studs, and bolts. PRW Platinum Series shaft-mount rocker complete kits include all the components and hardware required for a professional installation. Order the system recommended for your specific vehicle and engine size. Features, items, and specs: * Several systems to suit many cam profiles * 8 pairs of shaft-mount rockers with adjustable cup-style valve lash adjusters * SAE 42100 full complement precision needle and cage roller bearings * Rated up to 750 lbs. open spring pressure * Internal oiling system for long-lasting performance
( 10 )
$779.24
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$816.92
Howards Cams race series vertical bar hydraulic roller lifters offer proprietary hydraulic valving specifically designed for continuous operation to 6,600 rpm with ideal seat pressures between 150-160 lbs. The lifter bodies are fully machined from alloy steel bar stock and are completely micro-polished. The nose wheels are machined from 8620 material and the cases are hardened for durability. Howards Cams race series vertical bar hydraulic roller lifters are fully rebuildable.
( 5 )
$879.99
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$899.99
PRW Industries offers Competition Series aluminum shaft rocker arms for a variety of engine applications. In 2017, the PRW product development team recognized the need for an affordable collection of shaft rocker systems that would cost about the same as a set of roller rockers, new rocker arm studs, and a stud girdle. These assemblies were designed with the sportsman racer in mind, and provided for longer pivot length rockers, various rocker ratios, adjustable stand heights—and implemented simple installations with minimal valve adjustments throughout the racing season.
( 1 )
$791.07
Sting the competition with the full-body design of Scorpion Race Series roller rocker arms. They're precision-crafted via high-tech manufacturing methods, then fully CNC-machined. These rockers offer more clearance for retainers and springs, and can easily handle .950 in. lift and 950 lbs. of open spring pressure. The surfaces are micro-polished and anodized for looks, protection, and maximum durability. Scorpion rocker arms are available in nearly 200 fitment options; order the set recommended for your application. More speed for your high performance passion! Additional features include: * Aerospace-grade 7000 Series aluminum for maximum strength and durability * Needle bearing fulcrum and roller tip * Precision-ground needle bearings * Centerless ground trunnion, ground pin, and roller * Burr-free trunnion through hole * Directed oiling * Large machined seat and thick-walled adjusting nut (polylock) * Pedestals machined from solid steel * Black oxide coated steel parts * 1.600 in. fulcrum width * Clear 1.625 in. O.D. valve springs
( 211 )
$775.77
"Bolt and go" is hard to believe, and yet the tech-savvy people and operations at Scorpion offer the only direct bolt-on--the LS Race Series rocker arms. You won't have to change your valve covers. These amazing aluminum rocker arms use factory bolts and are torqued to factory specifications. They possess all of the great quality features offered on all Scorpion rocker arms, like solid steel pedestals and black oxide coated steel parts, and they are 100 percent CNC-machined. Scorpion LS Race Series rocker arms are the quietest on the market and can be installed by the garage guy with know-how. Bolt on a set of Scorpions and sting your competition with LS Race Series rocker arms.
( 11 )
$775.77
COMP Cams LST Series hydraulic roller camshafts deliver "Low Shock Technology." These LST camshafts feature lobe profiles designed to maximize horsepower, while improving stability at higher rpm. They're also easier on the valve springs, enhancing durability and reducing load loss. From street durability to track power, COMP Cams LST Series hydraulic roller camshafts are an awesome choice for your build. The cams are available for a variety of engine, piston, and engine applications.
Not Yet Reviewed
$876.95
PAC Racing RPM Series valve springs were developed using all of the latest advancements from Circle Track and drag racing successes. This valuable, real-life research has been applied to new designs, which allow for performance increases that exceed all demands. RPM springs are made from quality materials and are available in different diameters and pressures to suit your specific camshaft profile.
( 8 )
$895.71
COMP Cams LST Series solid roller camshafts deliver "Low Shock Technology." These LST cams feature lobe profiles designed to maximize horsepower, while improving stability at higher rpm. They're also easier on the valve springs, enhancing durability and reducing load loss. For maximum horsepower with either stock or aftermarket pistons (choose the model suited to your application), COMP Cams LST Series solid roller camshafts are an excellent option for your build.
Not Yet Reviewed
$855.95
Add some punch to your Chevy LS with these Howards Cams LS Series direct bolt-on roller rockers. These roller rockers are easy replacements for your stock LS rockers and feature plenty of advancements that help you make more power and get better throttle response. Howards designed these roller rockers to be direct bolt-on pieces, so there is no need to change pushrods, guideplates, rocker studs, or valve covers, and your engine bay can keep that sleeper, bone stock look. These rocker arms are constructed from aluminum and feature needle-bearing fulcrums and roller tips to decrease friction and increase performance. Howards Cams offers these LS Series bolt-on roller rockers in either stock ratio or a high-lift, 1.80 ratio, so you can choose which one best fits your goals.
( 3 )
$869.99
These Severe Duty Gen II custom valves with unmatched strength and superiority are the only valves of their kind. Exhaust material XH-428 and intake material NK-844 are paired together for ultimate dominance over all others. With four times the tensile strength of competitors' intake valves and supremely better fatigue life, Manley Severe Duty Gen II custom valves truly show their commitment to seeing that you're there at the finish. You decide the head diameter and seat and margin widths, as well as valve length, groove type, and location for the perfect custom setup!
Not Yet Reviewed
$889.13
If you plan on adding performance to your street machine or building a serious racer, Harland Sharp Original Series roller rockers are recommended for you. Using the very latest manufacturing technology and only the very finest materials, the Original Series rockers incorporate race-proven enhancements, such as improved strength, performance, and lighter weight over conventional rocker arm designs. Don't settle for any old rocker arm--go with a true leader in roller rocker arm technology--Harland Sharp.
( 175 )
$796.99
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$999.99
COMP Cams is bringing the musclecar sound back, and it's nastier than ever! Few things serve to grab our attention at a car show or cruise night more than a car with a thumping, high performance idle. In an ongoing quest to provide you with the performance and sound that you demand, COMP Cams' engineering team proudly introduces the Thumpr Series hydraulic roller cam and lifter kits. They are designed for use in engines that were originally equipped with flat tappet camshafts. The lobe profile and grind characteristics of these Thumpr camshafts use a combination of an early exhaust valve opening, a long exhaust duration, and a generous amount of intake and exhaust overlap. They're designed to maximize the rough-idling characteristics of the cams, giving you a seriously aggressive exhaust note without negatively impacting the power output or streetability of the engine. They are available in three different grind profiles. Each one will produce a rough, racy exhaust note and impressive amounts of horsepower and torque within a different rpm range. Thumpr Series cam and lifter kits feature a cutting-edge hydraulic roller design that delivers a substantial power increase over an identical hydraulic flat tappet grind without sacrificing reliability or ease of maintenance.
( 16 )
$816.95
The COMP Cams XFI SPR Ford 4.6L/5.4L modular 3V (Springs & Phaser Mods Required) camshafts are the best way to achieve the most power and torque increases possible with the popular Ford Modular 3V engine. These designs are the next step up from the COMP Cams VSR (Valve Springs Required) cams. When compared to the VSR cams, the SPR cams offer additional mid-rpm power increases as well as substantial power gains in the higher rpm ranges. In addition to increases in horsepower, you can also expect another 800-1000 rpm of useable engine speed and an awesome sounding idle lope to match. To achieve this extra level of performance, lobe profiles and timing events were specifically designed to work with the factory variable cam timing (VCT) system cam phasers for all 2005 and newer Ford Modular 3V engines. These cam phasers were modified with the required COMP Cams Cam Phaser Limiter kit to restrict their movement to no more than 20 degrees. This simple modification gains additional piston to valve clearance, allowing for much larger cam designs. This results in cams that not only maintain low and mid-range power, but have incredible high rpm performance as well, all while maintaining the benefits of cam phasing. As noted by the COMP Cams engineering staff during extensive dyno testing, these camshafts provided the biggest power and torque improvements of any cam series they've ever tested in the Ford Modular 3V engine.
( 1 )
$1,028.95
These lifters are for use with the newly designed Hydraulic Roller Cam Series from COMP Cams—or as replacements for stock hydraulic roller lifters. You must be certain that the lifter is correct for the type of block used, because some later model blocks require special lifter designs. Order the model tailored for your engine application.
( 18 )
$781.95
Allstar Performance LS timing cover conversion kits adapt a standard small block Ford distributor into CT525 crate and LS Series engines, allowing timing adjustment and ability to change mechanical advance curve. This also provides an alternative to installing complete computer and fuel injection systems when swapping a late model LS engine into an older street performance vehicle. Enjoy the performance and durability of the GM LS Series engine with the simplicity and tune-ability of a distributor and carburetor. The Allstar kits include all internal components and new timing cover for converting LS Series engines to utilize a standard distributor ignition system and a carburetor with a belt-driven or electric fuel pump.
( 1 )
$799.99
Ford 4.6L/5.4L modular 3-valve engines found in 2005 and newer Mustangs are all the rage. So the question on everyone's mind becomes, "How can I further improve the performance of these powerful engines?" COMP Cams XFI VSR Modular 3V (Valve Springs Required) Camshafts deliver a great power improvement over stock levels. These cams are the next step up from the COMP Cams NSR (No Springs Required) Cams and represent a major upgrade in power production. When compared to the NSR, stock valve spring compatible cam series, the VSR cams offer a substantial power gain in the higher rpm ranges. To achieve this, a high-lift design that requires a COMP Cams Beehive Valve Spring upgrade was created to maximize power within the limits of the OEM unmodified cam phasers. These new VSR camshafts are available for both naturally aspirated and supercharged engines, with two levels available in each series; one designed for maximizing mid-range power and torque, while the other maximizes top end horsepower. The performance secret behind these camshafts is in the extensive dyno testing that allowed them to determine precise cam timing events. Combining these optimized timing events with a high-lift lobe design offers substantial improvements in both power and throttle response. Designed to work flawlessly with the factory VCT, which is programmed to retard the cam timing above 4500 rpm, the new COMP Cams XFI VSR Ford 4.6L/5.4L Modular 3V Cams optimize both mid and high rpm performance.
Not Yet Reviewed
$1,028.95
PRW pedestal-shaft rocker arms are made from 6061-T6 or Series 7000 2024 aircraft quality aluminum alloy extrusions. Each rocker body is relieved for extra valve spring clearance and anodized for added strength. Each rocker body is shot-peened and machined for extra valve spring clearance; then anodized for better cooling and added strength. Each rocker arm incorporates needle roller bearings from the finest manufacturers in the world. CNC-machined billet steel pedestals, center-ground steel alloy rocker shafts, and PRW Custom-4135 alloy steel fasteners, valve lash adjusters and 12-pt. lash nuts comprise the foundation of these rocker arm systems. The kits come with the components and necessary hardware required for a professional installation. Order the rocker arms designed for your application needs. Features and characteristics: * Rated 750 lbs. open spring pressure * Internal oiling system for long-lasting performance * SAE 42100 full complement precision needle and cage roller bearings * Available in 1.5 or 1.6 ratio, and 1.5/1.6 split-ratio assemblies
Not Yet Reviewed
$775.05
On Sale
COMP Cams Magnum solid lifter cam and lifter kits are specifically designed for the street enthusiast looking for more power and that Pro Street sound. Whether your choice would be the 270s with low-speed torque and noticeable idle, or the 306s for larger cubic inch engines with tremendous high-rpm power and radical idle, one of the Magnum series cam and lifter kits will fit your engine's needs.
( 30 )
$765.95
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$770.95
The ultimate lifters for your severe racing applications—Howards Cams UltraMax Series steps up the performance so you can do the same. These bushed, direct-lube mechanical roller lifters are made for ultra-high spring pressures and the most aggressive cam lobes. Howards replaced the needle bearings in the roller tip with solid bushings, and they offer full-time, high-pressure oiling to the bearing axles. Together, these features deliver the highest rpm and high spring pressure capabilities available. The lifters have lightened, steel alloy bodies with a special enhanced finish, heat-treated stainless steel link bars, and case-hardened 8620 rollers. They're fully rebuildable. Go for the win with a set of Howards Cams UltraMax bushed, direct-lube mechanical roller lifters.
( 3 )
$1,067.99
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$1,099.99
No camshaft swap is complete without a new set of lifters. Treat your engine to the "good stuff" with new Trick Flow® hydraulic lifters or lash adjusters. Featuring durable hardened steel construction, these lifters and adjusters are a must when installing new cams—and are perfect replacements for worn or ticking lifters in used engines. The retro-fit roller lifters with vertical-style link bars are designed for a roller cam conversion in engines originally equipped with a hydraulic flat tappet cam. Overhead valve engines may require different length pushrods. The sets are available in a variety of fitment options for applications from 1955 and up.
( 45 )
$814.99
You can rely on Howards Cams RaceMax lifters. These vertical bar mechanical roller lifters feature heat-treated 8620 steel billet bodies that are CNC-machined in one process to assure accuracy of all part features. RaceMax lifters are precision ground for proper fit in OE and +.300 in. tall aftermarket lifter bores. They're outfitted with an increased oil ban diameter for maximum rigidity, as well as heat-treated tool steel nitrided axles, and precision fitted roller bearings. The pressure-fed axle oiling insures longevity and best defense against premature failure. Trust your race car performance to Howards Cams RaceMax vertical bar mechanical roller lifters.
( 3 )
$791.99
These proven rollerized rockers from Crower are made from 17-4PH stainless steel with 1025 heat treating. They feature premium oversized needle bearings, sure-lock rocker nuts, and alloy steel tip rollers. Their superior, lightweight body design provides plenty of clearance for large-diameter springs.
( 24 )
$975.99
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