Selected Filters


Loading...

Availability


37 Results Found For "polylocks"

Not Showing Customizable Items. View Customizable Items.

Part Groups

Results 1 - 24 of 37

Harland Sharp Polylocks Rocker Arm Nuts

Harland Sharp offers these polylocks in a choice of sizes to suit your needs.

4.8 out of 5 stars ( 5 )

$24.99

$31.79

Engine Works Polylocks

Engine Works rocker arm and stud girdle polylocks are manufactured from high-grade alloy steel, finished in black oxide, and feature cold-formed 12-point reduced heads for quick R and R. The bottom of each one incorporates a .550 in. step that centers the polylock on the trunnion of the rocker arm, and they are available in both 7/16 in. and 3/8 in. sizes. The stud girdle polylocks have a .950 in. long shank. Choose the size you need.

5.0 out of 5 stars ( 2 )

$30.56

$42.46

PRW Power 12-Point Poly Locks

Upgrade your valvetrain stability with PRW Power 12-point poly locks, engineered for secure, precision rocker arm adjustment in high-performance applications. CNC-machined for accuracy, each poly lock features a flush-machined locking set screw and a shouldered design for positive wrench engagement, ensuring fast and reliable adjustments. Available for 3/8 in. (.550 in. O.D. shank) and 7/16 in. (.600 in. O.D. with .550 in. undercut) rocker studs, these poly locks deliver the durability and clamping force demanded by serious engine builders. Sold in sets of 16, PRW's 12-point design offers superior grip and ease of use in tight engine bays.

Not Yet Reviewed

$35.11

Allstar Performance Valve Lash Adjusting Wrenches

Allstar Performance valve lash adjusting wrenches can save you valuable time and also help eliminate fumbling with two separate wrenches. Innovatively designed, these wrenches feature a box wrench and Allen wrench all-in-one tool! They are made of steel with insulated handles and are available for use with Jesel, T&D, and other polylock-style rocker assemblies.

3.67 out of 5 stars ( 9 )

$38.99

Scorpion Race Series Rocker Arms

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

4.77 out of 5 stars ( 214 )

$29.32

$33.89

Scorpion Rocker Arm Nuts

Scorpion offers these polylock rocker arm nuts for use with your Scorpion rocker arms. They are offered in a choice of sizes and styles to suit your application.

5.0 out of 5 stars ( 3 )

$42.33

COMP Cams Rocker Arm Adjusting Nuts

COMP Cams rocker arm adjusting nuts are designed for the ultimate in strength and locking force. They are precision-ground for minimum runout and are tapered for extra strength in the locking area. The special alloys in the polylocks ensure a quality and strength not found in any other competitive products.

4.45 out of 5 stars ( 148 )

$33.95

Scorpion Endurance Series Rocker Arms

Scorpion Endurance Series rocker arms offer you power that perseveres. With less weight and a lower profile these Endurance rocker arms are built with the stamina to get the job done in winning style. Scorpion specifically designed these rocker arms for endurance racing engines with better fitment and they can easily handle up to 750 lbs. of open spring pressure. Plus, they're approximately 28 grams lighter than their Race rockers! Endurance rocker arms are micro-polished to endure over a long period and are anodized for additional protection, as well as providing great aesthetics. Choose your ratio and gain the stamina to sting your competition with Scorpion Endurance Series rocker arms. Additional features include: * Aerospace-grade 7000 Series aluminum * Full body design * Precision ground need bearings * Centerless-ground fulcrum * Ground pin and roller * Burr-free trunnion through hole * Large machined seat * Solid steel pedestals * Black oxide coated steel parts

4.51 out of 5 stars ( 35 )

$27.68

$30.48

Scorpion Narrow Body Rocker Arms

Good things come in small packages. If you're a later style Chevy engine owner, you already know that, and Scorpion narrow body rockers arms are a perfect choice. These 100 percent CNC-machined rockers are made for your center bolt-down valve covers. These aluminum narrow body rocker arms can easily handle a .950 in. lift and 950 lbs. of open spring pressure. Scorpion narrow body rocker arms have micro-polished surfaces and anodized coatings for maximum durability and a great long-lasting look. Pick up some narrow body stingers from Scorpion and watch the competition scatter! Additional features: * Needle bearing fulcrum and roller tip * Centerless-ground trunnion * Ground pin and roller * Burr-free trunnion through hole * Black oxide coated steel parts * Lightweight for maximum performance

4.69 out of 5 stars ( 13 )

$32.14

Scorpion Narrow Body Self-Aligning Rocker Arms

Good things come in small packages. If you're a later style Chevy engine owner, you already know that, and Scorpion narrow body self-aligning rockers arms are a perfect choice. These 100 percent CNC-machined rockers are made for your center bolt-down valve covers and eliminate the guideplate. Their aluminum narrow body is self-aligning and can easily handle a .950 in. lift and 950 lbs. of open spring pressure. Scorpion narrow body self-aligning rocker arms have micro-polished surfaces and anodized coatings for maximum durability and a great long-lasting look. Pick up some narrow body stingers from Scorpion and watch the competition scatter! Additional features: * Needle bearing fulcrum and roller tip * Centerless-ground trunnion * Ground pin and roller * Burr-free trunnion through hole * Black oxide coated steel parts * Lightweight for maximum performance

5.0 out of 5 stars ( 18 )

$34.08

Jaz Products Rocker Arm and Lifter Organizer Trays

Jaz Products features these lightweight rocker arm and lifter organizer trays to hold pushrods, lifters, polylocks, spark plugs, and rocker arms. With a built-in carrying handle to provide easy portability, these rocker arm and lifter organizer trays by Jaz Products are a great way to keep parts organized and easily accessible within arm's reach.

4.78 out of 5 stars ( 27 )

$41.99

Summit Racing™ Valve Lash Adjusting Wrenches

These Summit Racing™ valve lash adjusting wrenches are designed for rockers utilizing polylock-style adjusting nuts. They make adjusting your valve lash easy and ultra-accurate.

4.41 out of 5 stars ( 29 )

$32.99

Proform Rocker Arm Adjusting Nuts

Proform offers these polylocks for roller rocker arms. They're designed to fit most extruded aluminum rocker arms.

5.0 out of 5 stars ( 9 )

$27.99

$28.99

Trick Flow® Roller Rocker Arms

Accurate valve timing is the key to making horsepower—and Trick Flow® roller rocker arms can help. Excellent for use with stock and aftermarket cylinder heads, these arms feature heat-treated CNC-machined bodies, premium needle-bearing fulcrums, roller tips, and a machined relief for improved valve spring clearance. Trick Flow® roller rockers come complete with polylocks and are offered individually or in sets of 16. They're available in a variety of fitment options for applications from 1955 and up.

4.63 out of 5 stars ( 68 )

$31.99

$35.99

Prothane Bump Stops

Prothane's specially formulated, multi-mount, progressive rate bump stops prevent damage when a suspension bottoms out. Add the energy absorption capabilities of polyurethane to the unique progressive chambers molded into the stops, and you've got progressive compression-rate bump stops. Their multi-mount feature ensures quick, easy retrofitting, as one of the mounting systems will be ideal for your particular application. Using a unique polylock system, the polyurethane portion and mounting bracket are integrated into one rugged, versatile component.

4.44 out of 5 stars ( 64 )

$25.85

$31.15

Trick Flow® Rocker Arm Adjusting Nuts

When installing your roller rocker arms, don't forget these rocker arm adjusting nuts from Trick Flow®. These polylocks are available in a variety of sizes to suit your needs.

4.33 out of 5 stars ( 6 )

$23.99

$38.99

Scorpion Endurance Marine Series Rocker Arms

Heading offshore? Go with Scorpion Endurance marine rocker arms. They have the stamina to get the job done in your powerboat racing engine. These marine rockers are designed to fit under stock height valve covers with no interference and can easily handle a .950 in. lift and 950 lbs. of open spring pressure. Scorpion rocker arms are micro-polished to endure over a long period and are anodized for additional protection, as well as great aesthetics. Choose your ratio and gain the stamina to sting your competition with Scorpion Endurance marine series rocker arms. Additional features include: * Lightweight design with short polylocks * Needle bearing fulcrum and roller tip * Centerless-ground trunnion * Ground pin and roller * Burr-free trunnion through hole * Large machined seat * Solid steel pedestals * Black oxide coated steel parts * 100 percent CNC machining

4.0 out of 5 stars ( 5 )

$33.44

Edelbrock Aluminum Roller Rockers

Edelbrock roller rockers are manufactured in the USA from lightweight 7129 grade aluminum. The body is CNC-machined and then micro-polished and anodized for durability. The trunnion race, roller pin, and roller tip are centerless-ground for superior quality. A high-quality Torrington needle bearing fulcrum combined with a roller tip ensure smooth operation and performance. Their full-body design will accommodate up to 1.650 in. diameter springs. These Edelbrock aluminum roller rockers include thick-walled adjusting nuts and 4140 steel polylocks.

4.0 out of 5 stars ( 4 )

$49.95

Prothane Motor Mounts

Prothane offers a wide variety of motor mount styles. In all cases, their mounts are designed to limit the travel, reduce the chances of breakage, and put the power to the wheels. All of the motor mount kits feature application-specific engineering. In other words, they're not universal in fit, and they provide you with the performance you demand. If applicable, the mounts feature a polylocked "run-safe" feature, just in case you play way too hard, so you can still get back home.

4.33 out of 5 stars ( 176 )

$27.57

Summit Racing™ Rocker Arm Stud Girdle Adjusting Nuts

Summit Racing™ rocker arm stud girdle adjusting nuts are designed to keep your rocker arms in place, while accepting Summit Racing™ brand or most other brand double bar stud girdles. They are available in your choice of 3/8 in. or 7/16 in. thread sizes. Select and order the rocker arm stud girdle replacement nuts that are designed to fit your application.

4.0 out of 5 stars ( 1 )

$36.99

$41.99

COMP Cams High Energy Diecast Aluminum Rocker Arms

Finally, you can get high performance without a high price with COMP Cams High Energy diecast aluminum rocker arms. COMP Cams is a leader in valvetrain technology and has developed these High Energy rockers to provide a superior strength to weight ratio to withstand the hardships of your street performance and mild race engines, while adding valve lift. These diecast aluminum, larger-than-stock rocker bodies are designed to be stiffer and more durable. They feature needle-bearing fulcrums and roller tips to reduce friction and lower oil temperatures for even more horsepower potential. Maybe you're on a budget, or maybe you just appreciate getting the most for your coin; make an affordable choice without sacrificing performance--get COMP Cams High Energy diecast aluminum rocker arms.

4.52 out of 5 stars ( 223 )

$24.95

$26.95

Harland Sharp Original Roller Rockers

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.

4.62 out of 5 stars ( 181 )

$24.50

$42.99

COMP Cams Ultra Gold ARC Series Aluminum Rocker Arms

Designed specifically for high performance street and race engines, COMP Cams Ultra Gold ARC Series aluminum rocker arms are precision CNC-machined to strict tolerances. They incorporate modern technology and design features to create the most advanced aluminum rocker arms available. Proven to withstand extremely aggressive spring pressure, the COMP Cams Ultra Gold ARC Series aluminum rocker arms use their CNC-machined aluminum design for high quality and the ultimate in ratio accuracy.

4.6 out of 5 stars ( 116 )

$41.95

$46.95

On Sale

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 ( 129 )

$26.99

$27.99