WebCam ekentroforos xt600 tt600

VALVE LIFT/DURATION /  DURATION@ 0.050"    /GRIND NUMBER

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.374/.364 259°/259° 238°/238° 387 80-201

Improved performance throughout RPM range.

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.383/.373 268°/268° 247°/247° 340b 80-221
Strong mid and upper end performance. Requires Exhaust System, High Compression Piston / Big Bore, and Performance Valve Spring Kit.
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.419/.409 282°/282° 260°/260° 214 80-281

Designed for motocross and off-road racing engines. Requires High Compression Piston, and Performance Valve Spring Kit.

.437/.426 290°/290° 268°/268° 172 80-191

Special racing profile. Requires High Compression Piston, and Performance Valve Spring Kit. Check ALL clearances!