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The Greased Lightning is Horstman's 3-1/2" diameter 4 cycle racing clutch. "Nothing is faster than greased lightning".  It was developed in 1995 from the popular MDC series clutch which has been the top clutch in karting for many years.  Designed for experienced racers that like to customize their clutch setup to best suit engine and track conditions.  Owner's Manual OUTSTANDING FEATURES: Designed for Stock & Superstock classes Removable sprocket saves money Lightweight billet aluminum basket for lower inertia & better heat dissipation Cam action levers machined for uniform pressure and better lockup New steel drum available for high horsepower classes Levers pivot on hardened dowell pins for less binding 120° spaced rectangular lugs in friction disks for better balance as well as less binding during lockup and release Stall speed adjustable with spring adjustment or bolt on weight  Greased Lightning Junior Clutch Greased Lightning Clutches | Sprocket Kits | Aluminum Basket Kits Complete Clutches Part # Description List Sell H480036 = 12t #35 H480037 = 13t #35 H480038 = 14t #35 H480039 = 15t #35 H480040 = 16t #35 H480041 = 17t #35 H480042 = 18t #35 H480043 = 19t #35 H480046 = 20t #35 H480044 = 21t #35 H480045 = 23t #35 H480048 = 15t #219 H480049 = 17t #219 H480050 = 19t #219 H480054 = 20t #219 H480051 = 21t #219 H480052 = 23t #219 Greased Lightning Clutch Assembly With Aluminum Drum with clip-on sprocket 337.57 236.30 H480180 = 12t #35 H480181 = 13t #35 H480182 = 14t #35 H480183 = 15t #35 H480184 = 16t #35 H480185 = 17t #35 H480186 = 18t #35 H480187 = 19t #35 H480188 = 20t #35 H480189 = 21t #35 H480190 = 23t #35 H480191 = 15t #219 H480192 = 17t #219 H480193 = 19t #219 H480194 = 20t #219 H480195 = 21t #219 H480196 = 23t #219 Greased Lightning Clutch Assembly With Billet Steel Drum with clip-on sprocket 338.75 237.13 #35: 12t through 21t & 23t #219: 15t, 17t, 19t, 20t, 21t & 23t Available Sprocket Kit Includes: Sprocket, bearing & retaining ring Ref# Part # Description List Sell 3 H480056 = 12t #35 H480057 = 13t #35 H480058 = 14t #35 H480059 = 15t #35 H480060 = 16t #35 H480061 = 17t #35 H480062 = 18t #35 H480063 = 19t #35 H480066 = 20t #35 H480064 = 21t #35 H480065 = 23t #35 H480069 = 15t #219 H480070 = 17t #219 H480071 = 19t #219 H480074 = 20t #219 H480073 = 21t #219 H480072 = 23t #219 Sprocket Kit 32.29 25.83 Basket Kits Includes: Sprocket, bearing,retaining ring & drum Ref# Part # Description List Sell 4 H480012 = 12t #35 H480013 = 13t #35 H480014 = 14t #35 H480015 = 15t #35 H480016 = 16t #35 H480017 = 17t #35 H480018 = 18t #35 H480019 = 19t #35 H480020 = 20t #35 H480021 = 21t #35 H480023 = 23t #35 H480028 = 15t #219 H480029 = 17t #219 H480030 = 19t #219 H480033 = 20t #219 H480031 = 21t #219 H480032 = 23t #219 Aluminum Basket Kit 71.02 53.27 4 H480145 = 12t #35 H480146 = 13t #35 H480147 = 14t #35 H480148 = 15t #35 H480149 = 16t #35 H480150 = 17t #35 H480151 = 18t #35 H480152 = 19t #35 H480153 = 20t #35 H480154 = 21t #35 H480155 = 23t #35 H480159 = 15t #219 H480160 = 17t #219 H480161 = 19t #219 H480162 = 20t #219 H480163 = 21t #219 H480164 = 23t #219 Billet Steel Basket Kit 72.57 54.43 Billet Steel Basket Kits With attached Sprocket Ref# Part # Description List Sell 4 H480252 14t #35 Billet Steel Drum 97.29 72.97 4 H480254 16t #35 Billet Steel Drum 100.58 75.44 Discs & Floaters Ref# Part # Description List Sell 8 H480082 Friction Disc, Iron,  standard 25.83 20.66 8 H480083 Friction Disc, Ceramic, optional 25.83 20.66 9 H464200 Floater, .085", standard 23.70 18.96 9 H464500 Floater, .065", optional 23.70 18.96 9 H464100 Floater, .075", optional 23.70 18.96 9 H464300 Floater, .095", optional 23.70 18.96 9 H464400 Floater, .105", optional 23.70 18.96 Greased Lightning Parts Ref# Part # Description List Sell 1 H463000 Snap Ring 1.09 0.87 2 H463100 Outer Thrust Washer (Use with 12t & 13t #35 & 15t #219 sprockets) 1.50 1.20 2 H463200 Outer Thrust Washer (For all sprockets with roller bearing) 1.50 1.20 3a H463400 Bronze Bushing 9.85 7.88 3a H463500 Roller Bearing 10.33 8.26 3b H480075 Retaining Ring for Sprocket 1.04 0.83 5 H480076 Drum, Aluminum (Red Basket) 38.75 31.00 5 H480076a Drum, Aluminum (Red Basket) NEW, with drive clips 39.34 31.47 5 H480144 Drum, Billet Steel 44.48 35.58 6 H480077 Kit (2 Thrust Washers & Thrust Bearing) 7.74 6.19 6a H480078 Thrust Washer (each) 1.61 1.29 6b H480079 Thrust Bearing 4.51 3.61 7 H480081 Drive Hub 96.85 77.48 10 H480084 Pressure Plate 67.16 53.73 11 H480085 Lever (each) 10.33 8.26 12 H480086 Dowell Pin (each) 0.77 0.62 13 H480087 Weight Kit (standard) 7.75 6.20 14 H480088 Lever Support 74.89 59.91 15 H465000 Spring .085" (standard), black 4.73 3.78 15 H464900 Spring .091" (optional), red 4.73 3.78 15 H514200 Spring .075" (optional), blue stripe 3.84 3.07 16 H334700 Retainer, Spring 1.07 0.86 17 H334800 Screw, Spring Adjust 1.07 0.86 18 H334900 Socket Head Cap Screw (8) 1.03 0.82 19 H465100 Special Key 2.39 1.91 20 H465200 Special Flat Washer 0.81 0.65 21 H465500 Lock Washer 0.81 0.65 22 H465300 Hex Head Bolt 0.81 0.65   H480099 Outboard Spacer Kit 16.14 12.91   H480140 Brass Weights (6 pieces) 11.68 9.34   H480141 Brass Weight Kit Optional (Weights, Springs & Hardware) 37.55 30.04 Rieken's Racing offers expert rebuilding of all Horstman disc clutches.  Please email for details. Order | Back to the Clutch Page | Back to the Catalog | Rieken's Racing Rieken's Racing (319)373-2018         365 7th Ave., Marion, IA 52302 ©1997-2006 Rieken's Racing All Rights Reserved Legals Prices and Availability subject to change without notice Website designed and maintained by Rieken's Racing