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 10 691 AFTERMARKET PARTS & ACCESSORIES FOR CUSTOM MOTORCYCLES / MOTORCYCLESTOREHOUSE.COM 3-5/8 BIG BORE SHOVEL 512432 S&S, SHOVELHEAD 3-5/8 BIG BORE CYL. & PISTON KITS Big bore kits for models with stroker flywheels. When required stroker flywheels must be purchased separately. S&S 93" SHOVEL The most popular large capacity option for 66-84 Shovelhead models. This kit gives both dependability and a good performance increase. Must be used with 4-1/2" stroker flywheels. Comes complete with +.124" (5.405") 3-5/8" Big Bore cylinders, forged pistons, rings, wrist pins, head/base gaskets and cylinder head bolts and cylinder base nuts. Compression ratio around 8.2:1. Engine life can be expected to be very good/good, strongly depending on riding habits. Note: Crankcase spigots must be bored for 3-5/8" cylinders. 4-1/2" stroker flywheels (MCS 512368) must be purchased separately. 512433 93" Big Bore kit (1522cc) S&S 96" SHOVEL Fits all 66-84 Shovelhead models with 4-5/8" stroker flywheels. Comes complete with +.200" (5.530") 3-5/8" Big Bore cylinders, forged pistons, rings, wrist pins, head/base gaskets and cylinder head bolts and cylinder base nuts. This large capacity engine will give serious increase in power and torque. Compression ratio 8.25:1. Engine life can be expected to be good, strongly depending on riding habits. Note: Crankcase spigots must be bored for 3-5/8" cylinders. 4-5/8" stroker flywheels (MCS 512363) must be purchased separately. 512432 96" Big Bore kit (1565cc) S&S 98" SHOVEL Fits all 66-84 Shovelhead models with 4-3/4" stroker flywheels. Comes complete with +.200" (5.530") 3-5/8" Big Bore cylinders, forged pistons, rings, wrist pins, head/base gaskets and cylinder head bolts and cylinder base nuts. This large capacity engine will give serious increase in power and torque. Compression ratio 8.25:1. Engine life can be expected to be fair, strongly depending on riding habits. Note: Crankcase spigots must be bored for 3-5/8" cylinders. 4-3/4" stroker flywheels in the 8-1/4" special small diameter version must be used (MCS 512370) in combination with a 82-up type crankpin and a S&S sprocket shaft. These flywheels must be purchased separately and come un-balanced. 512412 98" Big Bore kit (1607cc) STOCK BORE SHOVEL S&S, SHOVEL REPL. CYLINDER & PISTON KIT OEM style replacement. Cast iron replacement cylinder kit, ready to bolt-on, as stock replacement. Supplied with stock 5.330" length cylinders, forged pistons, piston rings, wrist pins, wrist pin keepers, head & base gaskets, cylinder head bolt kit and a cylinder base nut kit. Compression ratio around 8:1. 951081 66-E78 FL, FX. (3-7/16" bore,1200cc) 951082 L78-84 FL, FX. (3-1/2" bore, 1340cc) 951082 STOCK BORE SHOVEL S&S, SHOVEL CYLINDER KIT S&S cast iron replacement cylinders. Stock 5.330" length cylinder set complete with hardware. Used on Shovelhead models as stock replacement. Repl. 16485-74A + 16492-74A (1200cc) and 16494-78 + 16495-78 (1340cc). Note: Cylinders must be finish bored and honed to fit stock size pistons. Pistons are not included. 512416 66-E78 B.T. (3-7/16" bore,1200cc) 512418 L78-84 B.T. (3-1/2" bore, 1340cc) 512416 536320 86-22 XL SPORTSTER S&S, 883 - 1200 XL BIG BORE CONVERSION KIT Installation will require no modifications, just remove stock 883 cylinders and pistons and replace with the S&S 883-1200 big bore conversion kit. Pistons have a dished piston dome and are stock weight. Therefore no re-balancing is required and will fit stock 883 heads giving a nice 9.4: 1 compression ratio. Incl. installation lube, head, base and exhaust gaskets and instructions. Finished in a stock-like silver or black powder coat. 86-22 XL883 models Silver Black 536319 536320 883-1200 XL conv. kit
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