Shovelhead Rocker Boxes

Description

Shovelhead Rocker Boxes by Speed And Science ®. Billet Aluminum (6061-T6) Rocker Box system for the Harley-Davidson™ Shovelhead models.

• Bolt-on installation for all ’66-’84 models equipped with either billet Speed And Science heads (recommended) or cast OEM heads with OEM oil supply system.
• This system provides superior fit and function vs. castings.
• EVO style shafts (included).
• Extra clearances provided for hi-lift applications.
• The Speed And Science Rocker Boxes are designed for OEM shape rockers (standard or roller type, not included in the kit).
• Two-piece construction allows for easy clearance check between moving elements.
• The design is sealed with replaceable orings for easy maintenance and longevity.
• 1.4lb weight savings (p. pair) versus castings.
• Warranty details and conditions are listed in the Installation Manuals ( Manuals download page )