Andrews Camshafts 21G bolt-in TC99-06 ex FXD06
Description
After two years of testing and development, Andrews Products is offering cams for S&S gear drives for Twin Cam. The primary advantage is that the gear drives use less engine power to operate than stock chain drives. Dynamometer comparisons show gains of 4 horsepower over similar engines with chain driven cams. When less power is needed to turn the camshafts, more power gets to the rear wheel. For all out drag motors, there is also an additional advantage with gear drive cams. Simply stated, higher lift cams can be used with the gear drive setup. The reason for this requires some explanation. With chain drive 88 cams, valve lifts of .600 or higher will result in interference between front and rear cam lobes. With the gear drive cams, lobe top angles are different so lobe to lobe interference cannot occur. These cams are for use with S&S cam gear drive kit (ZPN721948).
Specifications
- Brand: Andrews
- Product: Cams for Twin Cam
Fitment
21G GRIND, Bolt-in cam for 88CI motors provide more torque for all around riding with heavy bikes. Intented for stock compression ratio and pistons. Comparable with Andrews EV23 cam in a 80 CI Evolution (1700-4800 RPM).
Part Numbers
Item Number: ZPN232498
Zodiac Part Number: 232498
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This estimate is for the selected item and quantity on their own. Shipping for your complete order is recalculated in the basket and shown again at checkout before payment. Your full order is recalculated in the basket and confirmed at checkout.
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