LA Sleeve
LA Sleeve is a globally trusted manufacturer of precision-engineered cylinder sleeves and sleeve and piston kits for motorcycles, ATVs, UTVs and powersports engines. Known for tight tolerances and premium materials, LA Sleeve cylinder sleeves are widely used for engine rebuilds, repairs and performance restorations. The brand supports Honda, Kawasaki, Yamaha, Suzuki, KTM, Polaris and more, delivering reliable solutions for motorcycle engine rebuild kits, piston sleeve conversions and OEM-style replacements.
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La Sleeve - H5597 - Cylinder Sleeve - 78.00 mm - Honda CRF250R/X
LA Sleeve
MSRP: $131.95$117.95La Sleeve - 09310262 - Cylinder Sleeve - 78.00 mm - Honda CRF250R/XFeaturesCenterless grinding of the outside diameters provides for perfect roundnessExact size is controlled by rigid inspection of...MSRP: $131.95$117.95 -
La Sleeve - KA5582 - Cylinder Sleeve - 66.40 mm - Kawasaki KX250
LA Sleeve
MSRP: $171.95$148.95La Sleeve - 09310158 - Cylinder Sleeve - 66.40 mm - Kawasaki KX250FeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder...MSRP: $171.95$148.95 -
La Sleeve - H5579 - Cylinder Sleeve - 54.00 mm - Honda CR125R
LA Sleeve
MSRP: $146.95$127.95La Sleeve - 09310153 - Cylinder Sleeve - 54.00 mm - Honda CR125RFeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder resleeving...MSRP: $146.95$127.95 -
La Sleeve - H5535 - Cylinder Sleeve - 66.40 mm - Honda CR250R
LA Sleeve
MSRP: $171.95$148.95La Sleeve - 09310152 - Cylinder Sleeve - 66.40 mm - Honda CR250RFeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder resleeving...MSRP: $171.95$148.95 -
La Sleeve - FL5479 - Cylinder Sleeve - 48.00 mm - Suzuki RM85
LA Sleeve
MSRP: $134.95$117.95La Sleeve - 09310039 - Cylinder Sleeve - 48.00 mm - Suzuki RM85FeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder resleeving...MSRP: $134.95$117.95 -
Out of stock
La Sleeve - LAS-5351K - Sleeve and Piston Kit - Kawasaki
LA Sleeve
$312.95La Sleeve - 09310384 - Sleeve and Piston Kit - KawasakiFeaturesFeature a Moly2000 centrifugally-spun, cast cylinder sleeved iron bore to provide better ring seal for better compression, more torque...$312.95 -
Out of stock
La Sleeve - FL5553 - Cylinder Sleeve - 54.00 mm - KTM 125SX
LA Sleeve
MSRP: $152.95$131.95La Sleeve - 09310261 - Cylinder Sleeve - 54.00 mm - KTM 125SXFeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder resleeving...MSRP: $152.95$131.95 -
Out of stock
La Sleeve - KA5041 - Cylinder Sleeve - 48.00 mm - Kawasaki KX80
LA Sleeve
MSRP: $134.95$117.95La Sleeve - 09310325 - Cylinder Sleeve - 48.00 mm - Kawasaki KX80FeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder...MSRP: $134.95$117.95 -
La Sleeve - H5440 - Cylinder Sleeve - 100.00 mm - Honda XR650R
LA Sleeve
MSRP: $146.95$131.95La Sleeve - 09310319 - Cylinder Sleeve - 100.00 mm - Honda XR650RFeaturesCenterless grinding of the outside diameters provides for perfect roundnessExact size is controlled by rigid inspection of...MSRP: $146.95$131.95 -
La Sleeve - H5159 - Cylinder Sleeve - 97.00 mm - Honda XR600R
LA Sleeve
MSRP: $146.95$131.95La Sleeve - 09310318 - Cylinder Sleeve - 97.00 mm - Honda XR600RFeaturesCenterless grinding of the outside diameters provides for perfect roundnessExact size is controlled by rigid inspection of...MSRP: $146.95$131.95 -
La Sleeve - LAS-5378K - Sleeve and Piston Kit - Yamaha
LA Sleeve
$360.95La Sleeve - 09310419 - Sleeve and Piston Kit - YamahaFeaturesFeature a Moly2000 centrifugally-spun, cast cylinder sleeved iron bore to provide better ring seal for better compression, more torque and...$360.95 -
Out of stock
La Sleeve - LAS-5420K-1 - Sleeve and Piston Kit - Suzuki
LA Sleeve
$360.95La Sleeve - 09310418 - Sleeve and Piston Kit - SuzukiFeaturesFeature a Moly2000 centrifugally-spun, cast cylinder sleeved iron bore to provide better ring seal for better compression, more torque and...$360.95 -
La Sleeve - LAS-5471K - Sleeve and Piston Kit - Kawasaki
LA Sleeve
$422.95La Sleeve - 09310416 - Sleeve and Piston Kit - KawasakiFeaturesFeature a Moly2000 centrifugally-spun, cast cylinder sleeved iron bore to provide better ring seal for better compression, more torque...$422.95 -
La Sleeve - LAS-5479K - Sleeve and Piston Kit - Suzuki
LA Sleeve
$312.95La Sleeve - 09310417 - Sleeve and Piston Kit - SuzukiFeaturesFeature a Moly2000 centrifugally-spun, cast cylinder sleeved iron bore to provide better ring seal for better compression, more torque and...$312.95 -
La Sleeve - LAS-5375K - Sleeve and Piston Kit - Honda
LA Sleeve
$422.95La Sleeve - 09310413 - Sleeve and Piston Kit - HondaFeaturesFeature a Moly2000 centrifugally-spun, cast cylinder sleeved iron bore to provide better ring seal for better compression, more torque and...$422.95 -
La Sleeve - LAS-5533K-1 - Sleeve and Piston Kit - Yamaha
LA Sleeve
$360.95La Sleeve - 09310389 - Sleeve and Piston Kit - YamahaFeaturesFeature a Moly2000 centrifugally-spun, cast cylinder sleeved iron bore to provide better ring seal for better compression, more torque and...$360.95 -
Out of stock
La Sleeve - LAS-5449K-1 - Sleeve and Piston Kit - Kawasaki
LA Sleeve
$312.95La Sleeve - 09310415 - Sleeve and Piston Kit - KawasakiFeaturesFeature a Moly2000 centrifugally-spun, cast cylinder sleeved iron bore to provide better ring seal for better compression, more torque...$312.95 -
La Sleeve - FL5140 - Cylinder Sleeve - 47.50 mm - Suzuki RM80
LA Sleeve
MSRP: $134.95$117.95La Sleeve - FL5140 - Cylinder Sleeve - 47.50 mm - Suzuki RM80FeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder resleeving...MSRP: $134.95$117.95 -
La Sleeve - LAS-5488K - Sleeve and Piston Kit - Honda
LA Sleeve
$312.95La Sleeve - 09310412 - Sleeve and Piston Kit - HondaFeaturesFeature a Moly2000 centrifugally-spun, cast cylinder sleeved iron bore to provide better ring seal for better compression, more torque and...$312.95 -
Out of stock
La Sleeve - LAS-5476K - Sleeve and Piston Kit - Yamaha
LA Sleeve
$312.95La Sleeve - 09310388 - Sleeve and Piston Kit - YamahaFeaturesFeature a Moly2000 centrifugally-spun, cast cylinder sleeved iron bore to provide better ring seal for better compression, more torque and...$312.95 -
La Sleeve - H5375 - Cylinder Sleeve - 66.40 mm - Honda CR250R
LA Sleeve
MSRP: $171.95$148.95La Sleeve - H5375 - Cylinder Sleeve - 66.40 mm - Honda CR250RFeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder resleeving...MSRP: $171.95$148.95 -
La Sleeve - FL5420 - Cylinder Sleeve - 54.00 mm - Suzuki RM125
LA Sleeve
MSRP: $146.95$127.95La Sleeve - FL5420 - Cylinder Sleeve - 54.00 mm - Suzuki RM125FeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder resleeving...MSRP: $146.95$127.95 -
Out of stock
La Sleeve - H5439 - Cylinder Sleeve - 54.00 mm - Honda CR125R
LA Sleeve
MSRP: $146.95$127.95La Sleeve - H5439 - Cylinder Sleeve - 54.00 mm - Honda CR125RFeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder resleeving...MSRP: $146.95$127.95 -
La Sleeve - FL5474 - Cylinder Sleeve - 66.40 mm - Suzuki RM250
LA Sleeve
MSRP: $171.95$148.95La Sleeve - FL5474 - Cylinder Sleeve - 66.40 mm - Suzuki RM250FeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder resleeving...MSRP: $171.95$148.95 -
La Sleeve - FL5181 - Cylinder Sleeve - 54.00 mm - Suzuki RM125
LA Sleeve
MSRP: $151.95$131.95La Sleeve - FL5181 - Cylinder Sleeve - 54.00 mm - Suzuki RM125FeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder resleeving...MSRP: $151.95$131.95 -
La Sleeve - FL5093 - Cylinder Sleeve - 67.00 mm - Suzuki RM/RMX250
LA Sleeve
MSRP: $177.95$153.95La Sleeve - FL5093 - Cylinder Sleeve - 67.00 mm - Suzuki RM/RMX250FeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder...MSRP: $177.95$153.95 -
La Sleeve - FL5357 - Cylinder Sleeve - 66.40 mm - Suzuki RM250
LA Sleeve
MSRP: $171.95$148.95La Sleeve - FL5357 - Cylinder Sleeve - 66.40 mm - Suzuki RM250FeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder resleeving...MSRP: $171.95$148.95 -
Out of stock
La Sleeve - LAS-5599K - Sleeve and Piston Kit - Honda
LA Sleeve
$312.95La Sleeve - 09310382 - Sleeve and Piston Kit - HondaFeaturesFeature a Moly2000 centrifugally-spun, cast cylinder sleeved iron bore to provide better ring seal for better compression, more torque and...$312.95 -
La Sleeve - FL5346 - Cylinder Sleeve - 54.00 mm - Suzuki RM125
LA Sleeve
MSRP: $146.95$127.95La Sleeve - FL5346 - Cylinder Sleeve - 54.00 mm - Suzuki RM125FeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder resleeving...MSRP: $146.95$127.95 -
La Sleeve - FL5271 - Cylinder Sleeve - 67.00 mm - Suzuki RMX250
LA Sleeve
MSRP: $177.95$153.95La Sleeve - FL5271 - Cylinder Sleeve - 67.00 mm - Suzuki RMX250FeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder resleeving...MSRP: $177.95$153.95 -
La Sleeve - FL5182 - Cylinder Sleeve - 67.00 mm - Suzuki RM/RMX250
LA Sleeve
MSRP: $177.95$153.95La Sleeve - FL5182 - Cylinder Sleeve - 67.00 mm - Suzuki RM/RMX250FeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder...MSRP: $177.95$153.95 -
La Sleeve - FL5323 - Cylinder Sleeve - 54.00 mm - Suzuki RM125
LA Sleeve
MSRP: $151.95$131.95La Sleeve - FL5323 - Cylinder Sleeve - 54.00 mm - Suzuki RM125FeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder resleeving...MSRP: $151.95$131.95 -
La Sleeve - FL5551 - Cylinder Sleeve - 47.00 mm - Husqvarna | KTM
LA Sleeve
MSRP: $134.95$117.95La Sleeve - 09310516 - Cylinder Sleeve - 47.00 mm - Husqvarna | KTMFeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder...MSRP: $134.95$117.95 -
La Sleeve - H5491 - Cylinder Sleeve - 65.50 mm - Honda CRF230F
LA Sleeve
MSRP: $97.95$90.95La Sleeve - 09310515 - Cylinder Sleeve - 65.50 mm - Honda CRF230FFeaturesCenterless grinding of the outside diameters provides for perfect roundnessExact size is controlled by rigid inspection of...MSRP: $97.95$90.95 -
La Sleeve - LAS-5554K - Sleeve and Piston Kit - KTM
LA Sleeve
$422.95La Sleeve - 09310520 - Sleeve and Piston Kit - KTMFeaturesFeature a Moly2000 centrifugally-spun, cast cylinder sleeved iron bore to provide better ring seal for better compression, more torque and...$422.95 -
Out of stock
La Sleeve - FL5693 - Cylinder Sleeve - 66.40 mm - KTM
LA Sleeve
MSRP: $183.95$159.95La Sleeve - 09310639 - Cylinder Sleeve - 66.40 mm - KTMFeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder resleeving...MSRP: $183.95$159.95 -
La Sleeve - FL5692 - Cylinder Sleeve - 54.00 mm - Husqvarna | KTM
LA Sleeve
MSRP: $152.95$132.95La Sleeve - 09310638 - Cylinder Sleeve - 54.00 mm - Husqvarna | KTMFeaturesOutside diameter precision centerless groundQuality replacement cylinder sleeves give old cylinders new lifeCylinder...MSRP: $152.95$132.95 -
La Sleeve - YA5631 - Cylinder Sleeve - 70.00 mm - Yamaha XT225
LA Sleeve
MSRP: $102.95$93.95La Sleeve - 09310572 - Cylinder Sleeve - 70.00 mm - Yamaha XT225FeaturesCenterless grinding of the outside diameters provides for perfect roundnessExact size is controlled by rigid inspection of...MSRP: $102.95$93.95 -
La Sleeve - LAS5779K - Sleeve and Piston Kit - Kawasaki
LA Sleeve
$326.95La Sleeve - 09310862 - Sleeve and Piston Kit - KawasakiFeaturesThe Moly2000 centrifugally spun-cast cylinder sleeved iron bore provides better ring seal for better compression, more torque and more...$326.95 -
La Sleeve - YA5780 - Cylinder Sleeve - 77.00 mm - Yamaha
LA Sleeve
MSRP: $108.95$104.95La Sleeve - 09310859 - Cylinder Sleeve - 77.00 mm - YamahaFeaturesCenterless grinding of the outside diameters provides for perfect roundnessExact size is controlled by rigid inspection of one-half...MSRP: $108.95$104.95
LA Sleeve Precision Cylinder Sleeves – Cylinder Sleeves, Sleeve and Piston Kits & Engine Rebuild Components
LA Sleeve is a leading name in powersports engine repair and rebuilding, specializing in high-quality cylinder sleeves and sleeve and piston kits for motorcycles, ATVs, UTVs and off-road vehicles. Manufactured using advanced metallurgy and precision machining, LA Sleeve products are engineered to restore worn cylinders, correct bore damage and extend engine service life across a wide range of applications.
The brand’s extensive catalog includes motorcycle cylinder sleeves for popular platforms such as Honda CR and CRF models, Kawasaki KX and KDX engines, Yamaha YZ and WR series, Suzuki RM and RMX, KTM off-road motorcycles and Polaris ATV applications. LA Sleeve also offers complete sleeve and piston kits, providing a convenient solution for full engine rebuilds while ensuring proper piston-to-wall clearance, durability and consistent performance under demanding riding conditions.
Trusted by engine builders, machine shops and riders worldwide, LA Sleeve products are designed to meet OEM specifications while offering flexibility for custom engine work. Whether repairing a damaged bore, converting plated cylinders or performing a full motorcycle engine rebuild, LA Sleeve delivers dependable, long-lasting solutions. With a reputation built on precision, compatibility and performance, LA Sleeve remains a go-to choice for powersports cylinder sleeves, engine repair components and professional-grade rebuild parts.
Pro Circuit has built a global reputation as one of the most influential brands in motocross and off-road motorcycle performance engineering. The company designs race-proven components that enhance engine output, throttle response and overall riding performance. Their product lineup includes advanced motorcycle exhaust systems, titanium silencers and precision-machined performance parts used by professional race teams and enthusiasts alike.
Among the brand’s most recognized products are the Ti-6 Pro titanium exhaust systems, T-6 stainless steel exhaust systems and Works Pipe performance expansion chambers. Riders also rely on R-304 silencers, spark arrestor silencers and Platinum series exhaust pipes designed to optimize power delivery across various engine platforms. In addition to exhaust solutions, Pro Circuit manufactures a range of racing components including clutch springs, water pump covers, linkage arms, axle blocks and throttle tubes that support durability and precision performance in competitive riding conditions.
Beyond exhaust technology, Pro Circuit provides performance-focused upgrades that enhance both engine reliability and chassis control. Products such as ignition covers, shift levers, clutch covers and fuel mixture screws help riders fine-tune their machines for optimal efficiency and responsiveness. Whether installing a motocross performance exhaust, upgrading engine hardware or improving throttle control with precision components, Pro Circuit continues to deliver race-developed solutions trusted by professional riders and off-road enthusiasts worldwide.