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www.zodiac.nl 07-113 25 CROSS REF ZPN > PAGE 24 TECHTIPS & CROSS REF > ZPN 26 ALPHABETICAL INDEX 01 HELMETS, LUGGAGE, AUDIO & MORE 05 ENGINE ELECTRICS 09 TRANSMISSION 13 FOOT CONTROL 17 FENDER & STRUTS 21 MIRROR 03 EXHAUST 07 ENGINE 11 WHEELS & TIRE 15 FRONT SUSPENSION 19 OIL TANK, FILTER & LINE 23 OIL, CHEMICALS & TOOLS 02 SEAT 06 INTAKE 10 FINAL DRIVE 14 HANDLEBAR 18 GAS TANK & INSTRUMENT 22 WINDSHIELD 04 ELECTRIC & LIGHT 08 PRIMARY 12 BRAKE 16 CHASSIS/ FRAME & SHOCKS 20 FASTENERS HEAD BOLT COVERS These bolt covers are designed to "Dress-Up" the cylinder head bolts fitted on all 1984 thru 1999 Evolution Big Twin, 1999 thru 2017 Twin Cam and 1986 to present Sportster. They attach with socket head screws and come complete with the necessary wrench. Set of 4. 301854 Head bolt covers, chrome 301776 Head bolt covers, black SHOVELHEAD HEAD BOLT KIT Super strong, twelve point, grade 8 bolts with machined heads and washers to clear Big Bore Shovelhead cylinders. Super tough and designed for severe service. Will also work with stock sized cylinders whenever the strongest hardware is needed. Available in black and in chrome finish. 231574 Head bolt kit black 231577 Head bolt kit chrome JIMS FORCEFLOW CYLINDER HEAD COOLER This smooth streamlined design will keep your Twin Cam running cooler on those hot summer days in stop and go traffic as it drops your cylinder head temperature by as much as 100 degrees Fahrenheit (55°C). Although this mounts in the horn area Jims has designed a horn relocator hidden inside the fan housing. The fan can be installed to be turned on and off manually or it can be regulated by a thermostat controlled sensor that monitors head temperature and activates the fan when needed. This kit is highly recommended for performance motors to help extend engine life. Complete kit includes high powered fan, housing, horn, hardware and all wiring, along with detailed instructions. Fits all 1999 to present Touring Models, adapts to most other models with some fabrication. 751097 Polished 751098 Black 751099 Silver S&S EVOLUTION BIG TWIN SUPER STOCK CYLINDER HEADS Exactly the same cylinder heads as S&S uses in their complete 1, 575cc/96CI V-Series engines. Feature 2.0" diameter intake valves and 1.605" diameter exhaust valves and give increased flow compared to stock Harley heads. These cylinder heads can be used with domed pistons in 3 1/2" bore or 3 5/8" Big Bore. Valve springs are compatible with up to .650" lift cams. Heads come with valves and valve springs installed and are sold in sets for front and rear. 233766 Natural aluminum 233767 Polished 233768 Wrinkle black S&S EVOLUTION BIG TWIN PERFORMANCE CYLINDER HEADS Exactly the same cylinder heads as S&S uses in their complete 1, 340cc/80CI V-Series engines. Feature 1.9" diameter intake valves and 1.605" diameter exhaust valves and give increased flow compared to stock Harley heads. These cylinder heads can be used with stock 3 1/2" bore, as well as 3 5/8" Big Bore with stock style flat topped pistons. The version with 82cc chamber give a 8.4: 1 compression where stock heads give 8.5: 1 compression. Heads with 76cc chambers give a 8.8: 1 compression. Valve springs are compatible with up to .585" lift cams. Heads come with valves and valve springs installed and are sold in sets for front and rear. 233761 Natural aluminum, 82cc chamber 233762 Wrinkle black, 82cc chamber 233763 Polished, 82cc chamber 233764 Natural aluminum, 76cc chamber 233765 Wrinkle black, 76cc chamber CYLINDER HEAD PARTS E�G�N�