S&S CYCLE Gear Drive Camshaft Kit for '99-'06 Big Twins except '06 HD® Dyna® - Complete Kit - 33-5178

• Designed for 88" to 103" CID engines with compression ratios between 9:1 and 10:1
• Strongest from 3200-3700 rpm
• Increases valve timing accuracy by eliminating timing chain lash and loosely fit stock chain drive
• Reverses the rear cam's direction of rotation, providing additional operating clearance between cam lobes resulting in higher cam lifts
• Material must be removed from inner surface of stock gear cover to install
• A hydraulic press and other professional level tools required to install kit
• S&S recommends that adjustable pushrod/cover kit be used
• Cam bearings and gasket must be replaced when installing new cams
• Kit includes camshafts, gearcover gasket, bearings, oil passage block off kit, retaining ring, o-ring, inner and outer gears
• Made in the USA
  
  Notes: Due to the inherent characteristics of gear drives, you may experience more valve train noise.
  Installer must check coil bind, valve to valve clearance and valve to piston clearance.
  
  Note: '99-'04 models require high performance valve springs.
  

Specs