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Speed-Pro Piston Pin Lock Rings and Spirolox

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.

4.36 out of 5 stars ( 11 )

$2.99

JE Pistons Lock Rings

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.

4.86 out of 5 stars ( 22 )

$2.69

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$22.99

Wiseco Piston Lock Rings

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.

4.67 out of 5 stars ( 15 )

$2.62

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$4.99

Mahle Lock Rings

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.

4.78 out of 5 stars ( 9 )

$2.61

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$2.70

CP Pistons Wrist Pin Locks

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!

5.0 out of 5 stars ( 4 )

$3.25

United Engine and Machine Lock Rings

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.

4.79 out of 5 stars ( 14 )

$1.99

Howards Cams Spirolox Wrist Pin Retainers

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.

5.0 out of 5 stars ( 2 )

$3.99

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$29.99

Diamond Pistons Wrist Pin Locks

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

Manley Wrist Pin Locks

Manley offers a variety of quality wrist pin locks for replacement or rebuilding your pistons. These steel wire lock retainers are available in several diameters and thicknesses to ensure a proper fit with each application. Manley wrist pin locks can be ordered individually or in larger quantity sets.

Not Yet Reviewed

$0.76

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$24.38

Ross Racing Spiro Lock Rings

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.

3.67 out of 5 stars ( 3 )

$5.99

Wiseco Piston Retaining Clips

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.

5.0 out of 5 stars ( 5 )

$2.99

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$4.99

Pro-X Racing Parts Piston Clips

Pro-X Racing Parts offer a wide range of clips for many piston diameters in different styles compatible with Pro-X or OEM pistons. Piston clips are not just a circled wire, they are much more, as they avoid the pin to move in the piston bosses. Do not underestimate the forces on the pin during operation. Pro-X piston circlips are top-quality, direct replacement circlips, exceeding OEM specifications and tolerances. Shop for Pro-X pistons, clutch plates, pistons and other powersport racing parts that will get you to the finish line faster. Order the Pro-X piston clips designed to fit your application needs.

Not Yet Reviewed

$2.99