S&S Cycle - S&S Performance Parts 2025 L - Volume 67

1999-'06

Phone: 608-627-1497

1 -2017-UP 2 -2007-'17 3 -1999-'06 4 -1984-'99 5 -1936-'84 6 -XL-RA1250 7 -BELTS & GASKETS 8 -TOOLS 9 -WARRANTY 10 -APPENDIX

Fitment S&S cylinder heads and rocker boxes for big twin with compression release machining Will not fit OEM heads Electric release Solenoid operated, this system automatically opens and closes when the starter button is pressed and released Convenient and simple, this is the best setup for big displacement high compression bikes Requires S&S die cast rocker covers

53-0045

90-4915

55-1009

90-4916

Compression Release Kits Description

Part #

Electric

90-4915

Compression Release Tools and Accessories Description

Part #

S&S Two-Piece Socket Kit: Allows in-frame installation of S&S compression releases and protects wiring from damage during installation.

53-0045

each

90-4916

S&S Compression Release Hole Plug

2 pack

90-4916-2

Compression Release Replacement Parts Description

Part #

Silicone Solenoid Caps

55-1009 55-1010 90-4914

Wiring Harness USA 2,3

USA

Electric Compression Release Assembly

S&S rocker covers must be used with electric compression releases due to clearance requirements for the solenoids Rocker covers must be removed when installing S&S® compression releases If lack of frame clearance prevents removal of rocker covers, engine must be removed from frame for compression release installation In most cases, S&S compression releases can be installed while the engine is in the frame with the special S&S two-piece socket kit, part #53-0045 If cylinder heads are machined for S&S compression releases, but compression releases are not used, special plug part #90-4916 (two required) must be installed to seal the machined hole Stock cylinder heads cannot be machined for S&S compression releases because there is not enough material in critical areas

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