Speedo Seats & Luggage- racks Frame Chassis Suspension Forktubes Wheels Brake Fenders Gastanks Motorparts Gaskets Intake Transmission & Driveline Exhaust Electrical & Lights Handlebars, Cables & Mirrors Oil tanks Oil & Chemicals Fasteners Windshields Forward controls, Footpegs Miscellaneous MOTOR PARTS - TOP END 10 696 NEW PRODUCTS ADDED WEEKLY AT / MOTORCYCLESTOREHOUSE.COM 971172 971198 45" WL HEADS, ALUMINUM Reproduction Flathead aluminum cylinder heads for 42-73 45" (750cc) Side Valve models. Stock WL Standard 1:5 compression. 971172 Front. Repl. 16691-55 and 9-40 971173 Rear. Repl. 16693-55 High Compression WLDR 1:6 CR High Compression heads will fit all WL models. To maximize performance heads should be combined with + 1/8 large diameter intake valves (971199) and WLDR camshaft set (971250). 971198 Front & Rear set. Repl. 16681-39, 16683-39, 9-39, 10-39 Rippin' Flatheads! tech-tip 48 - Head bolt torque sequence - EVO cylinder head bolt torque Always work clean. Be sure that threads on the cylinder studs and head bolts are totally free of dirt. Before assembly be sure to lightly oil the thread of the head bolts (never use anti seize compound!) so friction will be minimized and torque values will not be distorted. Information provided by S&S Cycle, Inc. S&S Stock Crankcases Crankcases Stage 1 8 ft-lbs 7-9 ft-lbs Stage 2 18 ft-lbs 12-14 ft-lbs Stage 3 Turn 90° more Turn 90° more FRONT HEAD REAR HEAD 1 1 2 2 3 3 4 4 971173 45" WL & WLDR HEADS JIMS, STROKER PISTON COOLING JETS Replacement oiling jet kit to fit all engines stock to 4" bore and stock to 4-5/8" stroker flywheels. 961557 99-17 Twin Cam 961557 SEE THE MOTORCYCLE STOREHOUSE TOOLS CATALOG! For a wide selection of model specific & general tools to do the job right. S&S, PISTON COOLING JETS - SPECIAL - Piston oiler jet kits with extra rod clearance. Machined from billet aluminum 6061-T6. Complete with gaskets & hardware. 99-17 Dyna; 99-16 Touring (excl. 2001 FLT); 00-17 Softail Fits both 99-17 OEM Twin Cam and most strokers. S&S jets provide an additional .150" clearance for stroked motors. Complete kit. Can replace OEM 22371-99 + 22307-99. 915179 Piston cooling jet kit Repl. parts 921129 Jet only 961140 O-ring James 979938 O-ring Athena 561310 O-ring Cometic 17-23 M8 and S&S M-series engines Improved version for OEM 62700089 (front) and 62700117 (rear) M8 oiler jets. Revised spray location for better uniform cooling. Shorter than stock for improved rod clearance. 993582 Piston cooling jet kit
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