This is a pair of Toda VTEC Killer Adjustable Exhaust Cam Gears for K20A2/K20Z1 Engines. Normally only the exhaust cam gear is offered because your factory intake cam gear is already adjustable and is controlled by i-VTEC, while the exhaust cam is not. However, these cam gears are used for converting over to a non-vtec, eliminating the ECU's Control over your dynamic cam gear adjustment.
The angle that the stock cams are clocked to when installed at the stock location on factory cam gears not always the most effective for making power with aftermarket cams. Aftermarket cams with more aggressive lift and duration often need to be dialed in a a specific angle to optimize the powerband for your setup. Adjustable Cam Gears are important when installing cams as they allow you to dial in the cam degree for optimum performance.
The freedom of movement found in the VTC (Variable Timing Control) of the STD K20A can cause problems. Toda Racing has redesigned the sprockets removing the original VTC function, and replaced it with a tunable but locking timing system.
-With a vernier degree scale.
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K20A VTC Killer Free Adjusting Cam Sprocket
| | Type | IN | EX | | Part No. | 14210-K20-100 | 14211-K20-100 | | Price | ¥25,000 | ¥25,000 |
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