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80 Results Found For "ratio"

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ACDelco GM Genuine Parts Rocker Arms

ACDelco GM Genuine Parts rocker arms are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These are the true OE parts installed during the production of or validated by General Motors for GM vehicles. That means the purchase of ACDelco GM Genuine Parts rocker arms will provide the correct fit and performance, delivering an easier install along with the optimal operation in your vehicle. The rocker arms are offered in different styles, ratios, and mounting options. They're available for hundreds of applications.

5.0 out of 5 stars ( 2 )

$16.99

$17.99

Summit Racing™ LS Rocker Arms

Contemplating an upgrade to your LS engine? Check out our Summit Racing™ LS rocker arms, designed to add some more horsepower and increase rpm capability. These LS rocker arms are made of high-quality materials, and are available in various ratios to suit a range of applications.

4.67 out of 5 stars ( 9 )

$12.99

Chevrolet Performance LS Rocker Arms

Get smooth valvetrain performance! Chevrolet Performance LS rocker arms install easily on your LS cylinder heads without any modifications. Add some additional horsepower and increase your rpm capability with a set of Chevrolet Performance LS rocker arms.

5.0 out of 5 stars ( 3 )

$19.99

Melling Rocker Arms

Melling rocker arms, available for both domestic and import applications, meet or exceed OEM specifications. Depending on the OE design specifications, Melling rocker arms are provided in either stamped or cast materials. Built from only the best materials and manufacturing processes available, they are perfect replacements priced right for your budget. Melling recommends installing new rocker arms with every engine rebuild to assure long engine life and efficient performance. Answer the little knock under your hood with replacement rocker arms from Melling--a supplier of quality engine parts.

4.62 out of 5 stars ( 78 )

$10.99

$14.99

PRW Sportsman Steel Roller Tip Rocker Arms

PRW Sportsman steel roller tip rocker arms are an ideal choice for a significant cross-section of engines. Anything from a mild street rebuild to the performance demands of off-track, Circle Track, and drag racing. These 4340 chromoly steel rocker bodies feature a longer pivot slot for higher lift camshafts. They're much stronger than stamped steel, so rocker arm flex is negligible. The roller tip minimizes scrubbing from the valve stem pushing forcefully against the valve guide. This reduces friction and frees up an additional 15 to 30 hp over stock models. PRW Sportsman steel roller tip rocker arms are an excellent performance alternative to stock rockers. 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 * Rated at 350 lbs. open spring pressure * Heat-treated pivot balls

3.72 out of 5 stars ( 32 )

$12.31

Quick Fuel Carburetor Secondary Connecting Rods

Quick Fuel carburetor secondary connecting rods allow you to tune your carb to your needs. The secondary connecting rods control the time that your secondary is open so that you have the ultimate control over how your carburetor is operating and can tune your car to its fullest potential. Quick Fuel includes the necessary hardware to install this linkage to get your performance car out on the track or street.

4.5 out of 5 stars ( 6 )

$18.23

K Tool Heat Shrink Tubing

K Tool offers heat shrink tubing in a wide range of diameters, as well as multiple lengths and colors. These polyolefin sleeves help to bundle, protect, and/or enhance the appearance of your wiring projects. The tubing is available in smaller quantities or in larger assortments (packaged in clear plastic cases for organization and transport).

5.0 out of 5 stars ( 1 )

$18.99

On Sale

AEM Electronics X-Series Gauge Faces

AEM Electronics X-Series gauge faces help to revive the look of your dash panel. These specialized replacements are available for a wide range of instrumentation—such as fuel and oil pressure, temperature, EGT, speed, volts, boost, and more. The kits also include a polished silver bezel. Customize or refresh your data clusters with AEM Electronics X-Series gauge faces.

5.0 out of 5 stars ( 9 )

$14.47


$13.02

COMP Cams High Energy Rocker Arms

High Energy rocker arms from COMP Cams are excellent replacements for stock engine rebuilds with a stock or High Energy camshaft. They eliminate the noise and slop associated with worn or high-mileage stock rockers and match or exceed factory specifications.

4.0 out of 5 stars ( 28 )

$15.95

$16.95

Dorman Conduct-Tite Heat Shrink Tubing

Protect your wiring with this Conduct-Tite heat shrink tubing from Dorman! This polyolefin "insulation" slides over your wiring before attaching terminal ends; applying heat then seals out moisture, heat, and dirt. Find the tubing diameter to best fit your gauge of wire. The product is available in rolls or shorter sleeves—even color options. Count on Dorman Conduct-Tite heat shrink tubing to seal and protect your wiring connections!

4.42 out of 5 stars ( 12 )

$14.99

Howards Cams Long Slot Rocker Arms

Manufactured from the highest quality steel alloy and heat-treated, Howards Cams long slot rocker arms make an excellent choice for stock engines or street performance. These rocker arm sets include anti-gall rocker balls and locking nuts. Serious parts for serious power performance, choose Howards Cams!

4.89 out of 5 stars ( 9 )

$11.99

Summit Racing™ Cast Steel Roller Tip Rocker Arms

For the hardest working part of your valvetrain, use Summit Racing™ cast steel roller tip rocker arms. Our chromoly steel long-slot rockers will give you a long service life and allow for less deflection and valve guide scrubbing. Each rocker features a precision-ground roller and includes a grooved, heat-treated rocker ball and nut.

4.21 out of 5 stars ( 104 )

$16.99

Summit Racing™ OE Rocker Arms for LS Series Bearing Upgrade Kits

Summit Racing™ OE rocker arms for LS Series bearing upgrade kits are specifically designed for those individuals who tend to use OE GM rockers with the pivoting/bearing upgrade. They're manufactured from high-strength, SAE-rated steel and sport a natural finish. For all of your part needs, go with Summit Racing™--quality, value-priced performance parts.

3.89 out of 5 stars ( 9 )

$11.99

Summit Racing™ Steel Rocker Arms

Summit Racing™ steel rocker arms are horsepower builders! These rocker arms can give you that extra lift you've been looking for. They're made from a higher quality, heat-treated steel, and have a longer slot to avoid stud interference. We even include anti-gall grooved pivot balls and locking nuts. You're getting one heck of a deal on horsepower.

4.8 out of 5 stars ( 108 )

$12.99

On Sale

Crown Automotive Rocker Arms

Crown Automotive rocker arms are direct-fit OE-style replacement parts for your Jeep. Rocker arms are designed to open and close at precise moments to allow the engine to run efficiently at all speeds. If you need rocker arms, then you need Crown Automotive parts. They are developed to deliver optimal performance and can withstand today's driving challenges.

4.44 out of 5 stars ( 9 )

$13.99


$12.59

Crown Automotive Axle Seals

When you see oil leaking from your Jeep's rear axle, it's time to order new Crown Automotive axle seals. These seals are designed for oil bath axles and are built identically to the originals for excellent fit and finish. Whether your brakes end up coated in oil or the lube simply runs onto the ground, these economical Crown Automotive axle seals will solve messy problems that could lead to more serious issues. Dozens of styles are available to service numerous vehicle applications.

4.78 out of 5 stars ( 18 )

$13.49

NGK Ruthenium HX Spark Plugs

NGK Ruthenium HX spark plugs are designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) engineering promotes spark energy concentration and ignites a wider range of air/fuel ratios, offering improved performance in rich or lean engine conditions. Order the plugs recommended for fitment on your application. Additional details: * 0.4mm Ruthenium alloy fine-wire center electrode and 0.8mm platinum fine-wire ground electrode * Trivalent metal platinum provides superior anti-corrosion and anti-seizing properties * Corrugated ribs prevent flashover * Pure alumina silicate ceramic insulator offers superior strength and better heat transfer * Copper core aids in heat removal

4.89 out of 5 stars ( 38 )

$10.99

$18.99

COMP Cams Valvetrain Checking Springs

Simplify your valvetrain maintenance with COMP Cams valvetrain checking springs. They feature a low-tension design that allows them to be installed by hand for measuring piston-to-valve clearance, rocker arm ratio, and degreeing in a camshaft. They're available as singles or pairs.

4.75 out of 5 stars ( 68 )

$15.95

Summit Racing™ Heavy-Duty Degreaser Cleaner

Summit Racing™ Heavy-Duty Degreaser is a unique, concentrated cleaner specifically designed to remove and suspend heavy greases and oils from equipment, parts, tools, walls, floors, and much more. This degreaser can be used in dip tank cleaners, floor scrubbers, pressure washers, steam cleaning units, or simply with a mop and bucket. It may also be used at high-dilution ratios for lighter soils. Summit Racing™ Heavy-Duty Degreaser cleaner will cut through the heaviest of greases and soils, yet is gentle enough to not harm most surfaces.

4.93 out of 5 stars ( 15 )

$15.99

DEI Spark Plug Wire Marker Kits

Labeling plug wires is fast and easy when you use DEI spark plug wire marker kits. The sleeves are made from high-temperature Mil Spec black heat shrink, and are tough enough to handle extreme underhood temperatures. The high shrink ratio of 3:1 allows the markers to slide over plug boot ends and still shrink tightly to the wires. DEI spark plug wire marker kits are numbered 1 through 8 in a high-visibility white ink that is oil and chemical resistant.

4.68 out of 5 stars ( 22 )

$12.99

ACDelco GM Genuine Parts Speedometer Gears

ACDelco GM Genuine Parts speedometer gears engage your vehicle for an accurate measurement of speed. These durable plastic gears help to calibrate your speed when changes like smaller tires, bigger tires, or changes in ring and pinion ratios throw your speedometer off. How fast are you going? You'll read your vehicle's true speed with replacement speedometer gears from ACDelco.

4.78 out of 5 stars ( 63 )

$10.99

$17.99

Boostane Shot Octane Booster

BOOSTane Shot Octane Booster is a super concentrated formula capable of increasing pump fuel to between 2 and 3 octane numbers using only 4 oz. (118ml) of product. The BOOSTane Shot line is meant for daily driving and, where convenient, quick access to treat poor quality fuel is needed. Portable shrink wrap packaging makes these additives perfect to throw in the trunk, saddle bag, or travel pack—ready to use when needed. The Shots are a one-and-done product, requiring no measuring or ratios. A concentrated 4 oz. bottle that is shrink wrapped can securely travel in small storage spaces. These bottles are available individually or in larger quantities. Additional notes: * Designed to increase octane 2 to 3 full numbers * Ideal solution for poor quality fuel * Unlock lost power * Small engine compatible * Street legal * Can be used with low compression engines * Motorcycle friendly * Convenient sizing and packaging * Recyclable bottle

4.33 out of 5 stars ( 3 )

$11.99

Heatshield Products HP Shrink Tubing

Sealing the ends of any heat shield sleeve can improve the efficiency and prevents hot air from working its way in between the hose or wire. Heatshield Products HP shrink tubing comes in various lengths and diameters to fit your application. It's a great alternative to zip ties and tape—and provides a clean, tight seal and professional look. This HP shrink tubing is very flexible, made of polyolefin material, with a 3:1 shrink ratio. It meets all AMS- DTL-23053/5C, UL and CSA specifications. Order the sizes and quantities needed for your project.

4.0 out of 5 stars ( 7 )

$19.99

Edelbrock Metering Jets for Performer Series Carburetors

Are you using an Edelbrock Performer or Thunder series AVS carburetor? Then you need these Edelbrock metering jets! The jet and rod is changed to get the cruise air/ fuel ratio leaned out. The step in the rod changes the effective jet area between high and low manifold vacuum conditions. The brass metering jets are designed for use with Edelbrock Performer series and Thunder series AVS carburetors only. Do not use them with any other brands.

4.84 out of 5 stars ( 69 )

$14.95

$15.95