fits  18-24 Softail; 17-23 (NU) FLT/Touring (Excl. 2023 FLTRXSE, FLHXSE)

Steel drive plate set only. This ‘Performance Steel’ drive plate set is identical to the Alto ‘Kolene-steel’ drive plates, with the salt bath heat treated nitriding hardening process. But these Performance Steel plates are polished to achieve a lower RA controlled value surface, a smoother surface basically. This microscopically smoother surface reduces hot-spotting which helps reduce heat built-up and the occurrence of plate warpage. In short, this is an excellent clutch plate set for stock to very high performance engines and a direct replacement for the OEM clutch plate set. Incl. 5x 581912 (0.063″/1.6mm thick), 2 x 581913 (0.078″/1.98mm thick) and 1 x 581914 (0.079″/2.01mm thick) plates. Note: Compatible with OEM components and friction plates. A matching high performance Alto G3 Black friction plate kit can be ordered separately as 581910.

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Home > Parts > Drivetrain > Clutch > Clutch Plates > Steel Plates > Alto, ‘Performance steel’ steel clutch drive plate set

fits  H-D with 581910 friction & 581911 steels of G3 Standard clutch plate kit

Steel drive plate set. 0.063″/1.6mm thick (sold each, 5 used), Replacement for 581911 ‘Performance Steel’ steel drive plate kit.

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Home > Parts > Drivetrain > Clutch > Clutch Plates > Steel Plates > Alto, ‘Performance Steel’ steel clutch drive plates (1)

fits  H-D with 581918 G3 Powerpack extra plate clutch kit; H-D with 581910 friction & 581911 steels of G3 Standard clutch plate kit

Steel drive plate set. 0.079″/2.01mm thick (sold each, 1 used). Replacement for 581911 & ‘Performance Steel’ steel drive plate kit and 581918 G3 Powerpack extra plate kit.

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Home > Parts > Drivetrain > Clutch > Clutch Plates > Steel Plates > Alto, ‘Performance Steel’ steel clutch drive plate (1)

fits  18-24 Softail; 17-23 (NU) FLT/Touring (Excl. 2023 FLTRXSE, FLHXSE)

Friction & steel drive plate kit. Extra plate sets have been a favorite amongst high performance bike owners for years. With the same clutch spring pressure the additional plates create more surface area which increases clutch holding capacity, a quicker lock-up and improved heat absorption. The clutch friction plate set includes a ‘G3’ friction plates (incl. 6 friction plates and 3 jutter plates). G3 is a newly developed friction material that offers as good or better performance than the Alto Carbonite clutch material. It is formulated with graphitic carbon-based particles which is the most durable, consistent with improved shifting and reduced burn-out product to date for high horsepower and torque applications. Incl. 8 x 581916 (0.107/2.72mm friction), 3 x 581909 (0.151″/3.84mm) friction jutter plates and 9 x 581920 (0.056″/1.42mm thick) steel drive plates and 1 x 518914 (0.079″/2.01mm thick).

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Home > Parts > Drivetrain > Clutch > Clutch Plates > Friction & Steels Kits > Alto, ‘G3 Black’ Powerpack extra clutch plate kit

fits  H-D with 581918 G3 Powerpack extra plate clutch kit

Steel drive plate set. 0.056″/1.42mm thick (9 used, sold each). Replacement for 581918 Extra priction & steel drive plate kit.

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Home > Parts > Drivetrain > Clutch > Clutch Plates > Steel Plates > Alto Powerpack steel clutch plates G3 (1)

fits  18-24 Softail; 17-23 (NU) FLT/Touring (Excl. 2023 FLTRXSE, FLHXSE)

Friction plate set only. Specifically developed to handle the power and torque of High-Performance H-D M8 engines. This clutch set includes ‘G3’ friction plates (which incl. 6 friction plates and 3 jutter plates). G3 is a newly developed friction material that offers as good or better performance than the Alto Carbonite clutch material. It is formulated with graphitic carbon-based particles which is the most durable, consistent with improved shifting and reduced burn-out product to date for high horsepower and torque applications. In short, this is an excellent clutch plate set for stock to very high performance engines and a direct replacement for the OEM clutch plate set. Incl. 6 x 581908 friction (1.50″ /3.81mm thick) & 3 x 581909 friction jutter (0.151″/3.84mm thick) plates. Note: Compatible with OEM components and friction discs. A matching ‘Performance Steel’ Alto steel drive plate set can be ordered separately as 581911.

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Home > Parts > Drivetrain > Clutch > Clutch Plates > Friction & Steels Kits > Alto, ‘G3’ friction clutch plate kit

fits  90-97 Big Twin; 91-22 XL Sportster (Excl. 08-12 XR1200) (NU)

1 used. With stainless rivets. Used between steel drive plates in stock applications. Heavy duty version with stainless rivets that are more loosening resistant after high mileage, when compared with to the stock brass rivets. OEM replacement reference 37977-90

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Home > Parts > Drivetrain > Clutch > Pressure Plates > Alto, clutch spring plate heavy duty. Stainless rivets

fits  H-D with 581910 friction & 581911 steels of G3 Standard clutch plate kit

Friction plate. 1.50″ /3.81mm thick (6 required, sold each). Replacement for 581910 friction plate kit. Note: See 581909 for the matching friction jutter plates, as used in 581910.

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Home > Parts > Drivetrain > Clutch > Clutch Plates > Alto, G3 replacement friction plate set (1)

fits  H-D with 581918 G3 Powerpack extra plate clutch kit; H-D with 581910 friction & 581911 steels of G3 Standard clutch plate kit

Friction jutter plates. 0.151″/3.84mm thick (3 used, sold each). Replacement for 581910 friction plate kit and 581918 Extra Plate friction & drive plate kit. Note: See 581908 for the matching friction plates, as used in 581910 G3 Standard plate kit. See 581916 for the matching friction plates, as used in 581918 G3 Powerpack Extra plate kit.

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Home > Parts > Drivetrain > Clutch > Clutch Plates > Alto, G3 friction jutter plate set (1)

fits  90-97 Big Twin; 91-22 XL Sportster; 08-12 XR1200 (NU)

Includes 8 friction discs. Sold as set. Aramid material is a step up from Alto’s ‘Red Eagle’ friction material and is also bonded to a lightweight backing plate. The Aramid series are ‘High Performance’ friction plates for motorcycles which are equipped with high-output engines that are ridden hard. They offer excellent heat resistance and endurance. Just ask anyone who has worked with or has ridden a bike in which a set of these Alto clutch plates were installed. OEM replacement reference 37911-90. Note: Will fit XR1200 models, when 39897-02 narrow friction plate is re-used. 39897-02 is not available through Motorcycle Storehouse.

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Home > Parts > Drivetrain > Clutch > Clutch Plates > Alto, 90-22 Aramid clutch plate set. Friction