ENGINE SECTION RED PART NUMBERS INDICATE NEW PARTS 6-28 1 2 3 4 5 6 7 8 9 10 11 CONTENTS REFERENCE GENERAL EXHAUST FUEL DRIVE TRAIN ENGINE WHEEL CONTROL FRONT END FRAME ELECTRICAL Valve Spring Kits & Valve Train Parts • Kits contain stainless steel Street Master valves, performance double spring assemblies, steel top collars, and specially machined lower spring collars included in Shovelhead kits and machined keys perfectly matched for maximum performance. • Evolution kits include all of the above but are designed to be used with your existing lower collars. • Spring assemblies included require no cylinder head machining for installation. • Shovelhead kit produces 160 pounds of seat pressure. • Evolution kit produces 180 pounds of seat pressure. • State of the art valve springs are the perfect addition for your valve train upgrade. • Harley® V-Twin engines have a limited valve spring installed height and small spring pocket, and these kits help eliminate these problems when installing high lift cams. Model & Year Lift Part # Shovelhead 1966/1979 .495” 61375 Big Twin Evolution all years .550” 61376 Spring Specifications • 180 lbs. @ 1.800 installed height. • 360 lbs. @ 1.250 open height. • 1.020 coil bind. • Use with stock to .600” lift cams. VALVE TRAIN COMPONENT KIT FOR TWIN CAM Fits Twin Cam 2005/Later Part 61419 VALVE SPRING SET FOR BIG TWIN & SPORTSTER EVOLUTION MODELS & TWIN CAM • Manufactured from the finest quality spring wire. • Wound and treated to produce the needed pressure for the high lift cams of today. • At 1.800” installed height, valve seat pressure will be approximately 160 pounds. • Can be used with OE upper valve spring collars. Model & Year Part # Big Twin Evolution 1984/1999, 61314 Twin Cam 1999/2004, Sportster Evolution 1986/2003 VALVE TRAIN KITS FOR BIG TWIN BEEHIVE VALVE SPRING KITS FOR EVOLUTION & TWIN CAM • Use with cams up to .600 lift with this kit. • Includes race master stainless steel valves. • Steel top valve spring collars. • Valves are OE style triple keeper grooves. • Does not require cylinder head machining. • Springs are single conical ovate wire. • Includes high temperature viton valve guide oil seals. • Springs installed height of 1.800” creates valve seat pressure of 150 pounds. • Open height of valve spring at 1.200” creates valve seat pressure of 355 pounds. Model & Year Notes Part # Big Twin Evolution 1984/1999, Includes valve 61383 Twin Cam 1999/2004 & locks Sportster 1986/2003 Twin Cam 2005/Later Use OE valve 61418 locks 61383
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