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Pin locks are necessary on pistons with full-floating wrist pins. United Engine and Machine lock rings are offered in several types and sizes made from quality steel to retain your wrist pins. Choose the style needed for your pistons.
( 14 )
$1.99
United Engine and Machine wrist pins are manufactured from high-quality tool steel for the ultimate in reliability. Available in different pin diameters, they're perfect for your high performance vehicle. Get your pistons and rods connected with UEM wrist pins.
( 2 )
$2.99
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$3.99
United Engine and Machine oil ring support rails keep your oil rail in place on your pistons and prevent them from folding in and winding themselves out. They install against the bottom sill of the oil ring groove and will keep your pistons working smoothly and at the proper compression.
Not Yet Reviewed
$1.99
KB Performance tool steel wrist pins are designed to fit your KB Performance pistons using floating wrist pins. They are manufactured from high-quality tool steel for the ultimate in reliability. Available in different pin diameters, they are perfect for your high-performance street or all-out drag racing vehicle.
( 4 )
$4.99
If you've lost or damaged your piston pin lock rings, Speed-Pro has you covered. They offer replacements for all of their pin lock and Spirolox-style lock rings.
( 10 )
$3.99
Clearance
Whether it's a car, truck, motorcycle, marine, or performance racing—properly sealing the piston to the engine block is a requirement. Hastings Piston ring sets do just that, while being offered in many different options to fit virtually any piston out there. If the engine your working on is blowing smoke, using excessive oil, or at a loss for power, it may be time for new rings. Hasting piston ring sets are great for rebuilds or new builds. Hastings has been manufacturing piston rings since 1915 and they have not spent a second developing anything but piston rings. Trust the professionals at Hastings and use them on your next job.
( 118 )
$14.99
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$16.99
$9.50
Clearance
Whether it's a car, truck, motorcycle, marine, or performance racing application—properly sealing the piston to the engine block is a requirement. Hastings premium ductile ring sets do just that, and they're offered in many different options to fit virtually any piston. If the engine you're working on is blowing smoke, using excessive oil, or at a loss for power, it may be time for new rings. These premium ductile piston ring sets are great for rebuilds or new builds, daily drivers or performance vehicles. Order the sizes needed for your project.
( 139 )
$13.99
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$21.99
$7.50
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$9.50
These Wiseco piston lock rings are designed for floating-pin pistons. Engines produced with press-fit pins can be converted to the "floating" type, providing that the piston has provisions for a lock ring retainer. Floating pins are preferred by most serious engine builders.
( 15 )
$2.62
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$4.99
These Mahle lock rings are designed for floating-pin pistons. Engines produced with press-fit pins can be converted to the "floating" type if the piston has provisions for a lock ring retainer. Many power-forged and hypereutectic pistons are designed to accommodate either style of pin. Pick up these Mahle lock rings for reliability in your rotating assembly.
( 9 )
$2.64
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$2.73
JE Pistons lock rings are designed for floating-pin pistons. Engines produced with press-fit pins can be converted to the "floating" type, providing that the piston has provisions for a lock ring retainer. Floating pins are preferred by most serious engine builders.
( 22 )
$2.69
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$6.99
These JE Pistons piston oil ring spacers are used in applications where the piston oil ring groove intersects the pinhole. They can be used only in pistons that have the oil ring groove machined 0.030 in. wider than the oil ring. JE Pistons piston oil ring spacers are manufactured from spring steel and install against the bottom sill of the oil ring groove. Available in different bore diameters to suit your specific engine's needs, the JE Pistons piston oil ring spacers will keep your pistons working smoothly throughout the entire operating range.
( 3 )
$8.99
Wrist pin locks, also known as retainers or clips, are small fasteners that secure the wrist pin in place within the piston, preventing the wrist pin from moving during engine operation, ensuring proper piston and connecting rod movement. Diamond Pistons wrist pin retaining locks/clips are available for wrist pin sizes ranging from .490 in. to 2.000 in. The locks are offered in single Spirolox, double Spirolox, round wire locks, and Tru-arc locks. The round wire locks require chamfered wrist pins. Order the size needed for your installation.
Not Yet Reviewed
$3.99
Wiseco piston oil rail supports are effective in applications where the piston oil ring groove intersects the pinhole. They can be used only in pistons that have the groove machined 0.030 in. wider than the oil ring. They're manufactured from spring steel and install against the bottom sill of the oil ring groove. Available in different bore diameters to suit your specific engine's needs, Wiseco piston oil rail supports will keep your pistons working smoothly throughout the entire operating range.
( 1 )
$6.99
Ross Racing Spiro lock rings are designed for floating-pin pistons. Engines produced with press-fit pins can be converted to the "floating" type, providing that the piston has provisions for a lock ring retainer. Floating pins are preferred by most serious engine builders.
( 3 )
$5.99
CP Piston wrist pin locks are designed for floating-pin pistons. CP Piston wrist pin locks are manufactured from steel, making these wrist pin locks durable for all of your applications. Get a pair of these wrist pin locks today!
( 4 )
$3.25
These piston rings from Namura Technologies offer a steel top ring that has been gas nitrided. Plus, a second ring that is cast iron acts as a wiper and pushes the oil away from the combustion chamber. Some kits will also include an oil ring made of nitride coated stainless steel. These top-quality Namura Technologies piston rings will help to increase engine performance and are designed for years of durable use.
Not Yet Reviewed
$6.99
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$9.99
Clearance
Mahle Original individual Fire-Power piston rings are engineered to withstand the punishment of today's high-powered, nitrous oxide-injected, turbocharged and supercharged race applications. PC479 compression rings will provide superior ring durability, stable radial tension, superior combustion sealing and oil control, while protecting the cylinder walls.
Not Yet Reviewed
$20.99
$4.50
Clearance
JE Pistons Pro Seal piston rings feature barrel-faced top rings made from premium ductile iron. They also have a special high-tech, friction-reducing, plasma-moly inlay on the face that combines molybdenum, nickel, chrome, and trace elements. The results are higher temperature resistance, reduced wear, better ring sealing, and reduced flaking. The second rings are a taper-faced, reverse-torsional design with a special phosphate coating. The oil-control rings are available in your choice of either low or standard-tension types. Choose the set designed for fitment on your engine application.
( 5 )
$24.99
$9.50
Clearance
Mahle Original piston ring sets are designed to be installer-friendly. They are pre-lapped to seat immediately, virtually eliminating break-in time. Ring materials and coatings, as well as ring tension, are all optimized for reduced friction and extended life in each application. The compression rings feature a barrel-faced contact area for more efficient compression and CNC-controlled gap chamfer to optimize compression and reduce blow-by. Intermediate rings have a reverse twist design for better groove side sealing, and taper race machining to enhance contact. The CP-20 oil ring assemblies feature a 20 degree ear angle, an exclusive feature that provides the best possible side seal against the cylinder wall, and a special chemical polish on the oil ring expander offers enhanced oil drain back. Mahle Original piston ring sets provide unmatched quality and ease of installation, making them the rings of choice for today's engine builders.
( 54 )
$239.99
$2.50
Pro-X Racing Parts offers crankshaft thrust washers for a wide range of powersports applications, including many Honda, Kawasaki, Yahama, Gas Gas, Husqvarna, KTM, and Suzuki models. These OEM-style replacement washers increase oil retention and reduce friction between rod, washer, and crank web. They're offered in copper or silver material, as well as a variety of widths, inside and outside diameters. Washers are an important engine component which should always be replaced when you re-press your crank. Order the model recommended for your ride.
Not Yet Reviewed
$7.99
Help to eliminate engine failures caused by misassembled or broken pin retainers. Now you can make sure that your rods and pistons remain connected with these high-quality steel Howards Cams Spirolox wrist pin retainers.
( 2 )
$3.99
Mahle oil ring support rails will keep your piston from rotating which results in improved cylinder seal, minimized friction, and to make sure the ring receives the necessary gas pressure at high rpm. They will restore original new clearances and allow full compression to be restored.
Not Yet Reviewed
$6.33
Wiseco piston retaining clips are important hardware components for a wide variety of powersports equipment, including ATVs, UTVs, street and off-road bikes, snowmobiles, and personal watercraft. The steel circular wrist pins are designed to permit rotation within the piston, but prevent lateral movement. They're available in a variety of diameters and thicknesses to fit your specific application.
( 5 )
$2.99
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$4.99
Clearance
The primary function of Mahle Original Napier second rings is to control oil—as much as 80 percent. Made from quality materials like gray cast iron or 9254 carbon steel, these lower compression rings have a tapered hook groove and provide superior oil control, improved combustion gas management, improved top ring stability, and improved sealing. Combined, these qualities provide the performance enthusiast with the best possible oil control and least amount of power loss of any performance second ring. Available individually or in sets, select the Mahle Napier second ring(s) in the bore size and quantity needed for your pistons.
Not Yet Reviewed
$9.99
$4.50
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