Page 490

2016roadiron

490 Cylinder base nuts and studs S&S® base nuts and cylinder studs are available for 30-84 Big Twins®. Cylinder studs are available for 84-Up Big Twins® and 86-Up Sportsters®. Cylinder studs only are available for 57-85 Sportsters®. Base nuts and studs for 36-84 Big Twins® are sold individually, with four required for each cylinder or eight required per engine. Qty. Cylinder Studs 50-312325 Twin Cam® Used in S&S® Twin Cam® style crankcases 8 pack 50-312321 84-99 Evolution® Big Twins® Used in current S&S® Evolution® style engines; install with collar down. 8 pack 50-312331 86-Up Sportsters® Used in S&S® 4” bore BT® and XL® Engines Fits 883, 1100, and 1200 V2 Sportster models. 8 pack Cylinder base nuts and studs Qty. Big Twins® 30-84 Stock length base stud. Fits 61”, 74”, and 80” OHV & Flathead® models. 2.210” overall length. Replaces HD#16831-30 and HD#16837-78) 50-312322 8 pack Extra Long Base Stud 5⁄16” longer than late stock studs. 2.390”overall length. This leaves approximately 1.400” above the base gasket surface with 1” of crankcase thread engagement 50-312324 8 pack Head bolts 48-84 Panhead® and Shovelhead® Part number includes: 1 each, 7/16”-20 x 23/8” 12 pt stainless steel bolt and washer. Qty. 50-933024 10 pack Stainless steel base nuts Big Twins® 30-84 (Replaces HD#1681440). Qty. 50-933023 8 pack S&S® 3-5/8” sidewinder kit for Evolution Big Twins® • Kit includes cylinders with fitted forged pistons, piston rings, wrist pins,clips, head and base gaskets and comprehensive installation instructions • This kit is designed for use with 4-5/8” flywheels and will yield a 96” displacement and a compression of 9.75:1 • Crankcase machining or big bore cases are necessary 349-9629 84-99 Big Twin® Models 3-1/2” Bore cylinders for V2 Big Twins® Manufactured from the same premium aluminum alloy in S&S® Sidewinder™ big bore cylinders for greater strength. Additional fin surface improves heat dissipation. Cylinder is cast around ribbed iron liner for permanent bond. Bore slightly undersized so standard piston can be fit with minimal honing. Rigid casting provides more reliable gasket seal. Stock oil return passages for a simple, stock-like installation. S&S® logo provides a distinctive, custom appearance. Kit of 2 cylinders (front and rear) • Displacement: 80” • Bore: 3-1/2” • Compression: 10:1 • Stroke: 4-1/4” • Cylinder Length: 5.550” 50-917213 Cylinder w/Pistons Natural 50-917713 Cylinder w/Pistons Black 3-1/2” Bore cylinders for V2 Big Twins® • Displacement: 74” • Bore: 3-1/2” • Compression: 10:5:1 • Stroke: 3-13/16” • Cylinder Length: 4.650” 50-913010 Cylinder Only Natural 50-913904 Cylinder Only Black 3-7/16” Shovelhead cylinders • Displacement: 74”” • Bore: 3-7/16” • Compression: 8:1 • Stroke: 3-31/32 • Cylinder Length: 5.330” 50-919011 Cylinder Kit 50-919012 Cylinder with Pistons 3-1/2” Bore Shovelhead cylinders • Displacement: 80” • Bore: 3-1/2” • Compression: 8:75:1 • Stroke: 4-1/4" • Cylinder Length: 5.330” 50-919021 Cylinder Kit 50-919023 Cylinder w/Pistons 3-7/8” Bore Twin Cam 95” cylinders kits 50-917046 Cylinder & Piston Kit Natural 50-917047 Cylinder & Piston Kit Black


2016roadiron
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