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PRW Rocker Arm Adjuster Screws
PRW rocker arm adjuster screws are designed to thread into your rocker arm. They are made of hardened steel and feature a black oxide finish for maximum durability. The screws can be adjusted to the pushrod by using the internal Allen head and the 12-point locknut.
( 10 )
$3.99
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$9.86
PRW Water Pump Flange Bolts
PRW's pulley girdle strengthens the water pump pulley for supercharger applications, and PRW offers the right flange bolts to brace the pulley properly. Included in the girdle kits, they are also conveniently offered as replacements, providing the correct fit and reliable performance, matching that of the originals. Service your PRW water pump pulley girdle with PRW flange bolts.
Not Yet Reviewed
$8.38
PRW RockerLocs
PRW RockerLocs stabilize your rockers. Constructed from 5140 chromoly steel and heat-treated, they are precision ground for excellent runout to keep your rocker arms in place. RockerLocs for PRW rocker arms and stud girdles are available in 3/8 in. and 7/16 in. diameters.
( 3 )
$2.78
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$8.99
PRW Rocker Arm Shims
PRW rocker arm shims are available for your Chevy, Ford, and Mopar setups. Each kit includes several shims in three different thicknesses to gain the ideal fit for your rockers. Choose the set created for your vehicle.
( 5 )
$0.52
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$1.99
PRW Rocker Arm Studs
PRW rocker arm studs are premium engine fasteners, made from strong, heat-treated 4135 chromoly steel with rolled threads. They're designed to securely hold rocker arms in place, handling the extreme forces in race and high performance engines for reliable valvetrain operation. The studs are crucial for securing the rocker arms that open and close engine valves, often paired with poly locks and used in upgraded systems for better durability and performance than stock parts. Order the set recommended for your vehicle. Additional product details: * Material: Cold-formed from 4135 chromoly alloy steel for maximum strength * Construction: Rolled threads provide superior durability and resistance to stripping * Application: Engineered for high performance and racing engines where stock studs might fail * Function: They act as threaded posts in the cylinder head, anchoring the rocker arms and associated hardware (like poly locks) * Durability: Standard components can bend or break under high spring pressures and aggressive valve lift * Reliability: PRW studs provide a secure, dependable foundation for the valvetrain in demanding conditions * Upgrades: Essential when upgrading to stronger rocker arms or higher-rate valve springs
( 2 )
$3.99
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$4.04
PRW Rocker Arm Valve Lash Adjuster Lock Nuts
PRW rocker arm valve lash adjuster lock nuts are small items with a big role to play in the proper clearance between rocker arm and valve tip, reducing valvetrain wear and ensuring optimum performance. They are manufactured from quality 4135 alloy steel, and available in a choice of thread diameters. Choose the proper size for your rocker arms.
Not Yet Reviewed
$2.99
PRW Rocker Arm Bolts
PRW rocker arm bolts are offered in different underhead lengths, either individually or in sets of different quantities. They are manufactured from premium steel and treated with a black oxide finish. Choose the preferred size to meet your application needs.
( 2 )
$1.99
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$9.62
PRW Pushrod Guideplates (PowerPlus+)
PRW pushrod guideplates (PowerPlus+) are made from high-treated steel alloy to prevent premature wear—and are black oxide coated to resist corrosion. They make valve operation smoother and more efficient, reducing unwanted sideways motion of the pushrod. These guideplates are recommended for use with high performance hardened pushrods.
( 1 )
$6.10
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$8.44
PRW Q-Jet Carburetor Adjusting Tools
PRW Q-Jet carburetor adjusting tools are specialized instruments designed to fine-tune Rochester Quadrajet (Q-Jet) carbs, specifically for adjusting components like rich/lean settings, idle mixtures, and internal adjustable part-throttle (APT) systems. Key functions and features: * Mixture fine-tuning: They allow mechanics and car enthusiasts to adjust the air/fuel mixture screws and idle parameters without damaging factory components or surrounding engine parts * Specialized fittings: Tools in this category (like specialized Schrader valve or adjustment screw tools) match the unique fasteners found on GM/Rochester Q-Jet carburetors * Access hard-to-reach areas: Many carburetor adjustment tools feature flexible shafts or specific angled configurations to reach recessed mixture screws tucked underneath or inside the air horn
Not Yet Reviewed
$2.99
PRW Torque Converter Drain Plugs
PRW offers a variety of fittings, including these torque converter drain plugs. The Ford OEM replacements are machined from steel with a protective black finish—and they feature an internal Allen-style head for loosening and tightening. Order the drain plug recommended for your vehicle.
Not Yet Reviewed
$3.99
PRW Rocker Arm Pedestals and Stands
High-rpm can cause fluctuation in your valvetrain, leading to damaged parts. Add strength and stability in your valvetrain with PRW rocker arm pedestals and stands.
Not Yet Reviewed
$5.35
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$8.99
PRW Rocker Arm Jam Nuts
PRW rocker arm jam nuts are small items with a big role to play in the precise adjustment of your valvetrain. Manufactured from quality heat-treated steel, they will keep your PRW stud-mount rockers securely positioned for optimal performance. Available in a choice of thread diameters, choose the proper size for your rocker studs.
( 1 )
$2.02
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$3.99
PRW Vibra-TITE Medium-Strength Threadlockers
PRW Vibra-TITE medium-strength threadlockers stop fasteners from loosening due to extreme shock and vibration. They also work on fasteners of any shape or size, from tiny hex set screws to harmonic balancer bolts. Fasteners are easily adjusted, removed, and reused.
Not Yet Reviewed
$2.40
PRW Rocker Arm Flange Nuts
PRW rocker arm flange nuts are designed for ultimate strength and locking force. They are cold forged from custom 4135 steel alloy and finished with black oxide. Secure your rocker arms with PRW flange nuts.
( 1 )
$1.61
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$6.80
PRW Sportsman Rocker Arm Pivot Balls
PRW Sportsman rocker arm pivot balls provide a low-friction point for the rocker arms to pivot on, which is essential for efficient valve actuation. Available in sets or individually, the pivot balls are heat-treated and feature a smooth finish with deep groves to resist galling and to allow plenty of oil flow. Select the size and quantity needed.
Not Yet Reviewed
$4.31
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$4.99
PRW Camshaft Bolts
PRW camshaft bolts are made with high precision to keep everything in place when the engine is operating at high speed. Strategically placed cam bolts will enable the cam to be attached to a vehicle's timing set and to ensure that the shaft is able to operate within close tolerances. Only the right specification of a bolt must be used, and it must be fitted correctly with the right amount of torque application, so that the amount of end play, or forward and backward movement, is kept within specific tolerances. Order the camshaft bolts for your application needs.
Not Yet Reviewed
$2.99
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$3.06
PRW Rocker Arm Shaft Spacers
PRW rocker arm shaft spacers (and shims) are precision-machined valvetrain components used with shaft-mount rocker arm systems to adjust stand height, align the rocker roller tip centrally on the valve stem, and establish correct lifter preload or valve geometry. These steel spacers are available in multiple thicknesses. They're available for a variety of applications, including select Chrysler, Dodge, and Plymouth Mopar engines from the 1960s, '70s, '80s, and '90s. Additional details: * Geometry alignment: Spacers ensure the rocker pad or roller tip stays properly centered on the valve stem across various engine block and cylinder head combinations * Height adjustment: They allow engine builders to tweak the installed height of the rocker shaft stands (using specific baseline measurements) to correct pushrod length discrepancies and achieve precise lifter pre-load/valve lash * Construction: Engineered to maintain high rigidity under high-RPM valve spring loads
Not Yet Reviewed
$3.10
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$5.26
PRW Shaft-Mount Rocker Arm Circlips
Keep your valvetrain operating with confidence using PRW shaft-mount rocker arm circlips. Designed as direct-replacement retaining clips for PRW shaft-mount rocker arm systems, these precision-engineered circlips securely locate rocker arm components on the shaft, helping maintain proper alignment and reliable valvetrain operation under high-performance conditions. Manufactured for durability and precise fitment, PRW rocker arm circlips are ideal for engine builders performing maintenance, repairs, or complete rocker system rebuilds. Whether you're refreshing a street performance engine or servicing a race-ready setup, PRW shaft-mount rocker arm circlips provide the dependable retention needed to keep your valvetrain performing at its optimum best.
Not Yet Reviewed
$1.18
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$1.19
PRW LS Fulcrum Installation Tool Washers
PRW offers replacement washers for its LS fulcrum installation tool, which is used to help install or upgrade rocker arms on GM LS series engines. The durable rubber thrust washers protect the rocker arm during the installation process. Sold in pairs.
Not Yet Reviewed
$9.99
