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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 )
$48.73
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$742.38
PRW High Performance mechanical water pumps are engineered to deliver increased water flow faster. These super velocity pumps significantly improve cooling for all street, high performance, and racing applications. The low pressure-injected, A356 aluminum alloy pump bodies are complemented by a precision, high-flow cast iron impeller design. Pressure-balanced water passages equalize flow and minimize engine hot spots at any speed. PRW High Performance mechanical water pumps are excellent alternatives for not only racers, but also trucks, towing, and motorhome applications. Order the model recommended for your specific vehicle and engine size. Features, items, and specs: * 35 gpm at 4,000 rpm with minimal cavitation and proportional increased flow rates at 5,000+ rpm * Aircraft industry tolerances * Heavy-duty 0.75 in. diameter steel shafts * Billet steel hubs and shielded-seal roller ball bearings * Back plate O-ring sealed for most applications * System Basis Chip (SBC) applications include adjustable hardware
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$77.81
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$301.29
PRW billet steel main caps raise the bar in the high performance industry. The main caps are precision-machined from high strength steel, which offers both the proper balance of strength and flexibility to allow transfer of increased shock loads to the crank and bearings. These main caps stabilize the entire crankshaft rotating assembly in your high-performance engine by eliminating annoying cap walk, and reducing main bearing bore distortion. With a combination of top-quality performance components and reasonable pricing, we know that when you receive your new PRW billet steel main caps, you will have no trouble seeing what the excitement is all about!
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$318.63
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$332.52
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.
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$7.06
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$79.35
PRW Gold Series flexplates are engineered to handle extreme duty applications and designed to endure the punishment of modern high horsepower engines. The 4mm thick centerplate provides a solid foundation for these direct bolt-on drivetrain components. Ring gears are precision double-welded, utilizing robotic machinery and cold-welding processes for added durability. These flexplates are rigorously inspected throughout the manufacturing cycle to ensure you receive the expected quality. They are available in a wide variety of configurations to precisely match your application. Raise the bar on your high performance vehicle with PRW Gold Series flexplates. Order the style recommended for your specific vehicle and engine size. Features and specs: * Designed to fit standard OEM, aftermarket replacement, and high performance torque converters * SFI 29.1 certified * Forged one-piece steel ring gears * 0.035 in. thicker than stock flexplates * Constructed from cold-rolled chromoly steel * Long lasting yellow zinc plated finish
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$55.49
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$57.49
PRW High Performance Sportsman harmonic dampers are cast from nodular iron, and are suitable for engines generating up to 400 hp. Unlike most OEM dampers, the hub and ring are splined to prevent radial movement of the outer ring. These dampers are 30 percent stronger than OEM dampers made from gray iron. With the combination of top-quality and affordability, these PWR dampers really raise the bar in the high performance industry. Features and specs include: * Ideal for street rebuilds * Accurate crank bore for a proper pressed-fit * Externally balanced dampers include removable counterweights * Available in black with laser-etched timing marks * Not SFI-certified
( 37 )
$131.93
PRW shaft-mount rocker arm hold-down kits are designed to help rocker arm shaft maintain roundness with attaching torque. Manufactured to OEM Mopar specifications to ensure the highest quality, the kits contain the hold-down retainers and bolts to secure both rocker arm shafts. Order the kit recommended for your specific vehicle and engine size.
( 1 )
$123.30
PRW Pro Series billet aluminum rocker arms offer outstanding power and performance advantages for street, strip, and track applications. Laboriously made from high-strength 6061 T-6 aluminum extrusions, each piece is precision CNC-machined, and hand-finished to ensure the quality you expect from PRW. These stud-mount rockers are purposely machined to graciously allow for larger springs and retainers, with full-cage, friction-reducing needle bearings for added durability. PRW Pro Series billet aluminum rocker arms are used around the world by professional racers, engine builders, and hot rod enthusiasts. 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 * Heat-treated steel nose rollers and shafts minimize wear between roller tip and valve stem * Rated at 750 lbs. open spring pressure * Internal oiling system for long-lasting performance * Distinctive blue anodized finish
( 13 )
$595.92
PRW Elite Series SFI-rated racing FluidGel dampers are made with an internal steel inertia ring that is surrounded by a high-viscosity silicone gel. The inertia ring "floats" in the silicone gel to combat the engine harmonics at all rpm ranges. The external balance applications feature a removable hub in order to accurately blueprint the engine and balance the assembly. These dampers are available in a black epoxy finish or a polished steel with an epoxy clearcoat. Order the damper suited to your application. Features and specs include: * Manufactured from billet carbon steel forgings * Easy-to-read laser-engraved timing marks * Meets SFI 18.1 specification * Accurate crank bore for a proper pressed fit * Externally balanced dampers include removable counterweights
( 12 )
$187.59
PRW offers Pro Series flywheels for a variety of applications, including many Chevy, Ford, American Motors, Jeep, Pontiac, Chrysler, Dodge, Plymouth, and Oldsmobile vehicles from 1955 and up. These SFI-rated replacements raise the bar in the high performance industry. The combination of top quality and reasonable pricing sets new standards. They're engineered to handle extreme-duty applications and designed to take the punishment of today's high-horsepower engines. PRW 1045 billet steel flywheels are CAD-engineered and precision CNC-machined to strict tolerances. The choice of 5 out of 6 winning engine builders at the Engine Master Challenge four years running, PRW flywheels were awarded Best New Product of the Year at the 2006 Hotrod and Restoration Show. Every flywheel is engineered for excellence and rigorously inspected throughout the manufacturing cycle to ensure that customers receive the quality they've come to expect from PRW products. Order the model recommended for your vehicle.
Not Yet Reviewed
$449.42
PRW SFI-rated racing dampers are perfect for the weekend warrior or the all-out racer! Many features have been added to broaden the spectrum of fitment and adaptability. The inner hub and outer ring are manufactured from high-quality billet steel forgings, with heated elastomer injected between the two components parts. Their inner and outer grooved ridgelines further secure the inner hubs to the outer rings. PRW dampers are available in a black epoxy or polished steel with an epoxy clearcoat, and meet SFI 18.1 specifications. Features and specs include: * Manufactured from high-grade billet carbon steel forgings * Accurate crank bore for proper pressed-fit * Easy-to-read laser engraved timing marks * Externally balanced dampers include removable counterweights
( 15 )
$275.26
PRW billet steel flywheels are CAD-engineered, and precision CNC-machined from 1045 billet steel. Purpose built to handle extreme-duty applications and the punishment of high-horsepower engines, they are balanced and carefully inspected throughout the manufacturing process to ensure you receive the quality you expect from PRW. These billet steel flywheels feature removable counterweights for versatility and are SFI-certified.
( 7 )
$430.53
Introducing the Black Label Special Edition flexplates—the newest addition to PRW's flexplate lineup that meet the SFI 29.1 specification, which is a significant improvement over the OEM flexplates. The Black Label Special Edition Series flexplates are available for most Chevy, Ford, and Hemi applications. All of these applications conform to all published SFI standards, with the added benefits to the racing and performance builder that is looking for and demands the best in quality and engineering. Choose the model designed for your application needs. Key features: * Exceeds SFI Specification 29.1 * Perfect for road racing and lighter vehicles * Several fitment options for early-to-later model transmission swaps * Compatible with most aftermarket racing and high-performance torque converter bolt patterns
( 4 )
$83.82
PRW offers Pro Series flexplates for a wide range of applications—raising the bar in the high performance industry. The combination of top quality and reasonable pricing sets new standards. These replacements are engineered to handle extreme-duty applications and designed to take the punishment of today's high-horsepower engines. The 4mm thick centerplate provides a solid foundation for these new designs. Ring gears are precision-welded to meet SFI specifications, utilizing robotic machinery and cold-welding process. The steel flexplates are machined for excellence and rigorously inspected throughout the manufacturing cycle to ensure that customers receive the quality they've come to expect from PRW products. Additional details: * SFI 29.1 certified * Direct bolt-on component * Forged one-piece steel ring gears * 0.035 thicker than stock flexplates * Constructed from cold-rolled premium steel * Features double-welded ring gears for added durability
( 1 )
$120.35
For maximum performance and longevity, PRW offers heavy-duty rocker shafts to keep your valvetrain inline. These rocker arm shafts are precision-made from quality material and are induction-hardened for strength and durability. Mount your rocker arms with confidence with PRW rocker arm shafts. Order the rocker arm shaft application best suited to fit your needs.
( 1 )
$163.30
PRW fabricated valve covers give your engine an edge and awesome looks. Attention vintage racers, competition junkies, and machining enthusiasts trying to save weight, PRW covers are fabricated from 6061 T-6 aluminum alloy, and have successfully endured rigorous individual pressure testing, proving that they are built to last. Their incredible ability to withstand the harsh elements of racing makes them the perfect solutions for street rod and racing applications. PRW fabricated valve covers are offered in different mounting styles, heights, finishes. They all feature thicker rails and better materials to assure long-lasting durability, and they include fasteners for a no-hassle install.
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$262.81
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$265.38
PRW high-flow diecast water pumps will fulfill your cooling needs, without draining horsepower from your engine. They feature heavy-duty motors that turn at approximately 1,500 rpm, draw only 6 to 7 amps, and will flow at 35 gpm. PRW high-flow diecast water pumps are offered for several applications, available in a chrome or black powdercoat finish, and include gaskets, billet aluminum inlet fitting, mounting hardware, pigtail connector, and timing cover block-off plate (where applicable). Additional features: * Lightweight * Suitable for street or strip * 2,750 hours of continuous operation at 176 degrees F * Pump will clear most timing belt drives and most blower drives * Some applications are available with or without backing plates
Not Yet Reviewed
$310.82
PRW offers billet steel timing sets for a variety of engine applications—including small block, big block, LS, Cleveland, Hemi, and others. They're available in single- or double-roller timing chain styles; with cam gear, crank gear, and thrust bearings also included. Order the set recommended for your vehicle.
Not Yet Reviewed
$178.56
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$195.49
PRW cylinder head stud kits offer heavy-duty fasteners, along with 12-point nuts and washers for Ford Powerstroke engines. These replacement studs are machined from 4135 chromoly steel and finished with a black oxide. They provide superior clamping power, compared to the stock bolts—which will solve the problem of head gasket failure caused by increased cylinder pressure.
( 1 )
$179.95
Secure your valve covers to your cylinder heads with PRW valve cover fasteners that are dependable and durable. Valve covers may be attached by fastener bolts around the perimeter, with center bolts through the top, or both. Made with high precision, these valve cover fasteners keep everything in place when the engine is operating at high speed. The fasteners are offered in a choice of chrome or black oxide finishes. Be sure to select the valve cover fastener kit that matches your thread size and fastener count.
( 1 )
$16.63
PRW water necks are available with a rubber O-ring or a standard paper gasket for a leak-free seal. They're made from cast or billet aluminum, straight or angled, with either a natural or polished finish. Order the model recommended for your engine application.
Not Yet Reviewed
$26.27
PRW harmonic balancer counterweights contribute to balancing your rotating assembly. These steel weights are removeable, available in different weights, and feature a black chromate finish. Choose the weight needed for your damper.
Not Yet Reviewed
$20.66
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$22.13
If it's time to step up to an electric water pump for its cooling consistency and ease of use, choose one of PRW's electric water pumps! Because these water pumps are electric, you won't have the usual horsepower loss at high rpm that's caused by a mechanical pump's impeller. Plus, the water pumps lightweight billet aluminum construction helps reduce overall engine weight.
Not Yet Reviewed
$711.28
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