Adjustable Cam Gear - 2RZ/3RZ(Fits on Intake Cam)
Adjustable Cam Gears are the only way to change cam timing on 20R, 22R, 2RZ and 3RZ series Toyota motors and still be accurate. Adjustable cam gears are generally used to correct camshaft timing after the cylinder head has been milled or when the block is decked.
Cam gears are an effective way to dial-in a camshaft by advancing the cam for low-end power or retarding the cam for top-end power. Adjustable cam gears can be used with mechanical fuel pumps by machining the concentric fuel pump drive to clear the 3 separate 10mm bolts on the adjustable cam gear. This is made easier by reversing the bolts in the cam gear.
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