S&S Cycle

902078

S&S Cycle High-Performance Valve Spring Kit with Titanium Top Collar 90-2078

SKU: tr-495224

Springs

.640 lift triple valve spring kit
Designed to simplify high-lift cam installation and reduce the risk of valve float
Eliminates most of the complicated procedures and specialized tools required to prepare cylinder heads for high lift cams
While confirming critical clearances remains the responsibility of the engine builder, most street cams for Evolution or Twin Cam 88 engines will require no additional modification of the cylinder head
Detailed instructions included

.640 lift triple valve spring kit
Designed to simplify high-lift cam installation and reduce the risk of valve float
Eliminates most of the complicated procedures and specialized tools required to prepare cylinder heads for high lift cams
While confirming critical clearances remains the responsibility of the engine builder, most street cams for Evolution or Twin Cam 88 engines will require no additional modification of the cylinder head
Detailed instructions included
Includes 4 top collars, 4 bottom collars, 4 each outer, middle and inner springs, 8 shims (4 each .015, 4 each .030), and 8 keepers
Use with shoulderless-style valve guides. Special keepers included fit valves with stock 5/16 stems and S&S collars only. Spring seat pressure is typically 170 lbs. at stock 1.800 installed height. Open pressure is 390 lbs. at .560 lift, 415 lbs. at .630 lift
Patented steel top collars are drilled for lightness and to increase cooling oil flow over valve springs. Kits are available with low mass titanium top collars for very high performance applications
Fits S&S Super Stock, stock Harley Davidson 99-04 Twin Cam 88 and Evolution heads and other heads that require stock O.D. outer spring


This Item Fits the Following Applications:
2004 Harley Davidson FXDXI Dyna Super Glide Sport
2004 Harley Davidson FXDWGI Dyna Wide Glide
2004 Harley Davidson FXDLI Dyna Low Rider
2004 Harley Davidson FXDI Dyna Super Glide
2004 Harley Davidson FLHRSI Road King Custom
2004 Harley Davidson FLHRS Road King Custom
2003-2004 Harley Davidson FLHTI Electra Glide Standard
2002 Harley Davidson FXDWG3
2001-2004 Harley Davidson FXSTSI Springer Softail
2001-2004 Harley Davidson FXSTI Softail Standard
2001-2004 Harley Davidson FXSTDI Softail Deuce
2001-2004 Harley Davidson FXSTBI Night Train
2001-2004 Harley Davidson FLSTFI Fat Boy
2001-2004 Harley Davidson FLSTCI Heritage Softail Classic
2001-2003 Ha

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