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www.zodiac.nl 07-111 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 S&S CYLINDER STUDS FOR EVOLUTION BIG TWIN Used in all Evolution Big Twins, all S&S V-Series engines and also in the S&S X-Wedge. 789108 S&S Evolution Big Twin cylinder studs, set of 8 (OEM 16837-85C) Other related parts 750298 S&S Roller Rockers for Shovelheads 750894 Rocker cradle front intake/rear exhaust, 2 needed 750895 Rocker cradle front exhaust/rear intake, 2 needed 750896 Rocker arm shafts, set of 4 750897 5-pack rocker cradle dowel pins 301112 Chrome Panhead rocker covers, Genuine Zodiac, set of 2 (OEM 17500-48) Cylinder head sets 750863 Stock bore head set 750864 3 5/8" bore head set 750865 3 5/8" bore dual plug head set S&S PSERIES CYLINDER HEADS These cylinder heads are used by S&S to build their P-series engines, but may also be installed on most Shovelhead engines to give a nostalgic look and a performance boost over stock. The stock Shovelhead bolt pattern and the availability of heads with stock bore and S&S 3 5/8" bore fire-ring machining makes them compatible with most Shovelhead cylinders. The intake ports accept o-ring style manifolds for Shovelheads and the exhaust ports will bolt up to any exhaust system for a Shovelhead engine. Although the top surface of the heads accepts a stock Panhead rocker cover, a special S&S rocker cradle is required to support the rocker arms. These cradles are not suitable as a stock replacement, but designed specifically for these cylinder heads and to be used with S&S roller rocker arms for Shovel engines and top-end oiling through the pushrods. Most adjustable pushrods for Shovelhead models are machined for this. Several of the modern features have been incorporated and include S&S .590" lift valve springs, cooling channel between combustion chamber and rocker arms and late style valve chamber to eliminate oil pooling. Cylinder heads are sold in pairs of front and rear and come complete with valves and valve springs installed. Roller rocker arms, rocker cradles, rocker cradle dowel pins, rocker arm shafts and rocker shaft clips must be ordered separately. Cylinder heads come in natural aluminum finish. Note: These are not stock replacement cylinder heads for Panhead engines, They will not fit on stock or aftermarket Panhead cylinders. For Big Twin 234915 Fits 61", 74" and 80" OHV and Flathead thru 1984 (OEM 16831-30 & 16837-78) 721862 Fits 1978 thru 1984 (OEM 16837-78) 234905 Fits Evolution models 1984 thru 1999 (OEM 16837-85B) For Sportster 234914 Fits 55" and 61" 1957-1985 (OEM 16830-52) 234913 Fits Evolution models 1986 to present (OEM 16832-86A) CYLINDER STUDS Cylinder studs for all models Sportster 1957 to present and Big Twin from 1930 to present. These "stronger than stock" cylinder studs are made from the finest high tensile steel available. Sold each. S&S CYLINDER STUD FOR TWINCAM Heavy Duty OEM replacement cylinder stud. These studs are the same as S&S uses in their Twin Cam style crankcases (OEM 16834-99). Sold each. 750503 Twin Cam Cylinder stud Fits Twin Cam 1999 thru 2017 233645 Cylinder dowels, 4-pack (OEM 16595-99A) Fits Evolution Sportster 1986 to present, air-cooled Buells and Evolution Big Twin 1984 thru 1999 232379 Cylinder dowels, 4-pack (OEM 16573-83) KIBBLEWHITE PRECISION MACHINING CYLINDER DOWELS Heavy-duty cylinder locating dowels made by Kibblewhite Precision Machining. Sold in 4-packs. Stud washer fits Big Twin models 1978 thru 1984 (OEM 16836-78) 231604 Chrome plated finish 231605 Black oxide coated Fits Big Twin Models 1978 thru 1984 (OEM 16838-78) 231602 Chrome plated nut OEM style 231603 Black oxide coated OEM style 231599 Chrome plated acorn nut Fits Big Twin Models 1936 thru 1977 (OEM 16602-30) 231600 Chrome plated cap nut Fits Sportster models 1957 thru 1984 (OEM 16603-72) 231601 Chrome plated cap nut TOP QUALITY MILLED CYLINDER BASE HARDWARE The strongest nuts and washers on the market. Machined from high grade steel and available in your choice of black oxide finish or chrome plated finish for better looks and improved durability. Sold in complete sets. KIBBLEWHITE PRECISION MACHINING CYLINDER STUDS Machined from U.S. milled aircraft quality steel. These super strong studs have rolled threads, completely ground outside diameter and black oxide coating. Manufactured by Kibblewhite Precision Machining for superior quality. Sold in 8 packs. 232377 Fits Evolution Sportster 1986 to present (OEM 16832-86B) 232378 Fits Evolution Big Twin 1984 thru 1999 (OEM 16837-85A) 233705 Fits Twin Cam 1999 thru 2017 (OEM 16834-99) CYLINDER HARDWARE & STROKER PARTS E�G�N�