Availability
PRW Platinum Series high-inertia 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 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 PRW quality. They are available in a wide variety of configurations to precisely match your application. Launch your high performance vehicle harder with PRW Platinum Series high-inertia flexplates. Features and specs: * SFI 29.1 certified * Forged one-piece steel ring gears * 0.035 in. thicker than stock flexplates * Constructed with a solid flat plate of cold-rolled premium steel for improved 60 ft. times * Long-lasting platinum finish that helps prevent rust
( 11 )
$114.15
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.
( 12 )
$300.15
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$333.38
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
( 38 )
$12.31
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$163.25
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
( 28 )
$119.87
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$302.02
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
( 39 )
$91.23
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$111.23
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
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
( 36 )
$141.90
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$166.31
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 )
$261.12
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$370.01
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 Modular 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
( 3 )
$127.22
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$143.69
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.
( 15 )
$190.46
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$276.22
PRW harmonic damper bolts help hold your balancer properly locked in place as they absorb the massive energy from crankshaft flexing. Professionally designed to withstand 180,000 psi fastener yield strength, they also include a wide-area 1/4 in. thick washer to further spread the fastening load. For installation ease, these bolts feature a deep-socket, 12-point head-style so your torque wrench stays fully engaged up to spec. Show your knuckles some mercy--complete your install with PRW harmonic damper bolts. Order the bolt recommended for your specific vehicle and engine size.
( 9 )
$20.04
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$21.84
PRW billet aluminum flywheels are SFI-rated and engineered to handle extreme-duty applications, as well as take the punishment of today's high-horsepower engines. CAD engineered and precision CNC-machined to strict tolerances, PRW billet aluminum flywheels combine top-quality and reasonable pricing to deliver the best for you and your vehicle.
( 1 )
$425.73
PRW flexplate fasteners are specifically designed to be stronger than OEM bolts. Using SCM-4141 alloy steel, they are cold-formed with rolled threads and heat-treated to ensure they are of the highest quality available on the market. PRW flexplate bolts are rated at 200,000 psi. Choose the thread size you need.
Not Yet Reviewed
$12.25
PRW harmonic balancer spacers are constructed from high quality aluminum or steel to meet the various demands of the performance and racing industry. These spacers allow you to correctly align your harmonic balancer to meet the needs of your build.
( 4 )
$50.29
PRW Pro Series stainless steel rocker arms are manufactured from lightweight, premium quality 17-4ph stainless steel—a superior alloy high in nickel and chromium. This rigid, premium material provides outstanding fatigue resistance, and high-yield strength to help resist deflection. These rocker arms feature full-cage, friction-reducing needle bearings, and extra-large trunnions to spread out the load and reduce wear. Each rocker body is hand-polished, assembled, and carefully inspected to deliver the finest quality available to the racing and performance industry. Reduce your valvetrain mass with durable, lightweight PRW Pro Series stainless steel rocker arms. 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 * Each set of 16 comes complete with PRW RockerLocs * Stud-mount design provides plenty of clearance for large diameter springs * CNC-machined pushrod cups * Heat-treated steel nose rollers and shafts resist severity of racing and minimize scrubbing
( 9 )
$25.44
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$319.74
PRW 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
( 11 )
$279.64
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$286.39
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.
Not Yet Reviewed
$109.95
PRW billet rocker arm stud girdles are made from 6061-T6 aluminum, manufactured to exacting standards, and the solution to valvetrain instability. PRW stud girdles reduce rocker stud flex to retain critical valve lash adjustments. The result is more accurate valve lift and timing. PRW stud girdles are relieved at the factory to accommodate crankcase evacuation components without the need to visit your local machine shop. These products come complete with PRW RockerLocs. Grab yours today!
( 9 )
$182.46
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$295.36
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
( 14 )
$246.54
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$301.95
PRW high-flow billet electric water pumps deliver faster, increased flow. With smooth radii and transitions, they equalize flow into both sides of the engine for better cooling. These high-flow billet aluminum electric racing water pumps feature 100 watt motors that draw less than 9 amps on a 12 V system, and continued to flow over 50 gpm in a closed system through PRW's extensive testing. They offer a variety of of styles to match your application and each of them are supplied with gaskets, mounting hardware, and wiring connector. Cross the finish line with confidence using PRW high-flow billet electric water pumps. Additional features include: * Lightweight * Suitable for street or strip * The pump housing and elbows are CNC-machined from high-grade aluminum billets with O-ring seals at each connection * The impeller is a multi-vane, axial design that efficiently pumps the water through the engine with no cavitation * An inlet fitting is supplied with each pump and seals with an O-ring for a secure connection * 3,250 hours of life expectancy—well over 100,000 miles of reliable cooling performance * Pump will clear most timing belt drives and most blower drives * Backplate and fasteners included where applicable
( 4 )
$408.14
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$422.88
PRW flywheel fasteners are specifically designed to be stronger than OEM bolts. They are cold-formed with rolled threads and heat-treated to ensure they are of the highest quality available on the market. PRW flywheel bolts are rated at 200,000 psi. Choose the thread size you need.
( 1 )
$13.93
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$25.54
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 )
$6.55
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$62.11
PRW offers water pump backing plates for a variety of applications, including many Ford engines from 1968 and up. These components are used with select pumps, particularly those mounted on engines, to help create a seal and provide support for the pump. PRW replacement plates are machined from aluminum with a natural or black finish. They are crafted to factory specifications to ensure proper fitment and performance. The plates meet or exceed OE quality standards.
Not Yet Reviewed
$22.99
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$42.99
PRW Competition+ mechanical water pumps are engineered to deliver a volumetrically increased water flow that will significantly improve cooling system demands for street, high performance, circle track, and endurance racing applications. They are offered in several finishes, including ceramic coated to block excessive heat radiation, and provide superior corrosion resistance and rust protection. Benefits and characteristics of the PRW Competition+ water pumps: * Auxiliary outlets for custom plumbing * Aluminum alloy pump bodies * Precision cast iron impellers * Pressure-balance water passages * Designed to equalize flow and minimize engine hot spots at any speed * Steel hubs and heavy-duty, shielded sealed roller ball bearings * Thicker rear cover for circle track application
( 1 )
$129.87
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$156.87
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