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10 GASKETS

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Gaskets for the entire Harley-Davidson, Indian and Victory motorcycle range

092950 Head and Base

092950 Head and Base Gaskets for Twin Cam and Evolution Engines by Cometic Tired of blown head gaskets and oil leaking around the base gaskets? These gaskets made by Cometic are the cure. They’re specially-designed to withstand the demands of high-performance engines. The head gaskets consist of three steel layers. The two outer layers are made of .008" stainless spring steel embossed with sealing rings on each layer at the cylinder bore and dowel pin holes. Both outer layers are coated with .001" high-temp NBR (Nitrile butadyne rubber) on each side which microseals the head to the cylinder. Between the two outer layers is a .020" layer made of aluminized stainless steel that will not flash rust. The gaskets are riveted together, keeping the layers perfectly aligned during the engine building process. This unique design achieves superior sealing without using dowel pin O-rings, a big plus for larger bore engines. The base gaskets are of single-layer .020" stainless steel construction, with embossed sealing rings, and feature the .001" NBR coating on each side for superior sealing. A slot at each corner of the base gasket vents each of the four stud chambers to the outside. The slots vent the stud chambers, ending the cycle of expansion and contraction of trapped air in the stud chamber as the engine heats up and cools down. This cycle is the cause of engine oil being drawn up and then forced out from under the base gasket. The embossed design combined with the notches virtually eliminates oil leaks at the base gaskets. These are the best gaskets you can buy! Sold in pairs. 10 Head and Base Gaskets for Twin Cam and Evolution Engines by Cometic Head Gaskets OEM# Description 613306 Twin Cam head gasket 4.060" bore (.030" thick) MLS 613307 Twin Cam head gasket 4.060" bore (.040" thick) MLS 613308 Twin Cam head gasket 4.250" bore (.030" thick) MLS 613309 Twin Cam head gasket 4.250" bore (.040" thick) MLS 092950 16770-84B .030"-thick for stock bore Evolution Big Twin engines from 84-99 and 1200cc Sportster engines from 88-03 092951 16770-84B .040"-thick for stock bore Evolution Big Twin engines from 84-99 and 1200cc Sportster engines from 88-03 092952 .030"-thick for 3 5/8"-bore Evolution Big Twins from 84-99 092953 .040"-thick for 3 5/8"-bore Evolution Big Twins from 84-99 Base Gaskets 613311 Twin Cam base gasket 4.060" bore (0.010" thick) RC 613312 Twin Cam base gasket 4.060" bore (0.020" thick) RC 613313 Twin Cam base gasket 4.250" bore (0.010" thick) RC 613314 Twin Cam base gasket 4.250" bore (0.020" thick) RC 092960 .020"-thick for stock bore Evolution Big Twin engines from 84-99 and 1200cc Sportster engines from 88-03 092962 .020"-thick for 3 5/8"-bore Evolution Big Twins from 84-99 092963 .020"-thick for 3 13/16"-bore Evolution Big Twins from 84-99 613304 Fits 883cc Sportster 86-93 (pr) Miscellaneous 613380 27060-55 Intake manifold orings 900 XL and Big Twins 55-77 613383 26856-89 Umbrella valve rocker cover 91-13 Sportsters 10.54

GASKETS APPAREL SEATS & TOURING FOOT CONTROLS HAND CONTROLS LIGHTING Cometic EST (Extreme Sealing Technology) Gaskets Cometic introduces EST, the ultimate in gasket sealing technology. EST’s embossed stainless steel metal substrate is coated with a proprietary hi-temperature rubber material that virtually eliminates leakage when joining two metal surfaces. EST Kits contain MLS head gaskets, steel viton coated base gaskets and AFM material. Multi-Layer Steel Head Gaskets MLS head gaskets are simply the strongest thing around. These gaskets are made from three layers of STAINLESS STEEL. The outer layers of these gaskets are embossed which creates a heavy-duty seal between the center layer and the mating surface. This embossment seals off combustion and also alleviates the need for alignment dowel o-rings. Next the outer layers get a .001" thick coating of Viton rubber a complex flouroelastimer coating that acts as a micro sealer. These gaskets are designed to move with the head both vertically as well as horizontally and maintain the seal. O-rings and sealers are a thing of the past with these gaskets. The all metal construction also allows for better heat transfer resulting in more even cooling and lower head temperatures. MLS type gaskets are widely used in all forms of racing (Street, Strip, Circle Track, Endurance, etc.). When installing MLS head gaskets Cometic does not recommend the use of any type sealants. As with any gasket all mating surfaces should be clean, flat and parallel. When tightening the head bolts follow the manufacturers specification for torque sequence. 632171 EST complete gasket kit 74" Shovel. Fits 70-84 74" & 80” Shovelhead 4-Speed 632172 EST complete gasket kit Shovel. Fits 80-84 Shovelhead 5-Speed FLT 632174 EST top end gasket kit Shovel. Fits 66-84 74" & 80" Shovel 4 or 5-Speed 632175 EST top end gasket kit Panhead Fits 48-65 Panhead FL, FLH 632176 EST big bore gasket kit Shovel. Fits 3 5/8" bore Shovels 66-84 632177 EST big bore gasket kit Shovel Fits 3 13/16" bore Shovels 66-84 632178 MLS .040" std Shovelhead gasket Fits 66-84 74" & 80" stock bore Shovelhead 632179 MLS .040" 3 5/8 Shovelhead gasket Fits 66-84 3 5/8" big bore Shovelheads 632180 Steel .020" rocker cover gasket Fits 66-84 Shovelheads 632181 Steel .020" base gasket-standard Shovel Fits 66-84 standard bore Shovels 632182 Steel .020" base gasket-big bore Shovel Fits 66-84, 3 5/8" big bore Shovelheads ELECTRICAL EXHAUST INTAKE ENGINE GASKETS TRANNY & CLUTCH DRIVELINE 690979 690980 WHEELS, TIRES & BRAKES 690982 690981 690978 690977 690976 690975 Fuel Pump Door Seals 690975 For 95-01 FLT/FLHT/FLTR/FLHR, cork 690976 For 02-17 Softail models except Deuce, viton 690977 For 02-07 FLHT/FLTR/FLHR, viton 690978 For 08-16 FLHT/FLTR/FLHR, viton 690979 For 07-17 XL, viton 690980 For 04-10 FXD,05-06 FXDC, 04-05 FXDX, viton For 04-17 FXDL 04-16 FXDWG, 06-16 FXDB, 12-17 FLD, viton 690982 For 07-17 FXDC, 08-17 FXDF, 04-08 FXDWG, viton Fuel Pump Hardware 642639 Switch extension cap, black 642640 Switch extension cap, chrome FRAMES FORKS & SHOCKS SHEETMETAL INSTRUMENTS & GAUGES LUBRICANTS & CHEMICALS TOOLS & EQUIPMENT for more details check www.custom-chrome-europe.com 10.55

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