trx450r hrc kit cam

[ckasper18]

the hrc kit is a different cam than the crf 450.Just installed one today and there is a 5 more horsepower than stock on our dyno.Stock was 35 hp at the rear wheel and 40hp with the kit.185 main jet was installed.It took less than 2 hours to install the kitand for the money it made a big difference.....Chris

[2004TRX450R]

Here are some cam specs for those of you who want to know.

stock 450r- 450R HRC kit- Stock CRF450
Intake
opens 10 BTDC- 20 BTDC- 15 BTDC
Intake
closes 40 ABDC- 60 ABDC- 50 ABDC
Exhaust
Opens 40 BBDC 55 BBDC 55 BBDC
Exhaust
Closes 10 ATDC 25 ATDC 15 ATDC

The numbers are degrees
ATDC= After Top Dead Center
ABDC= After Bottom Dead Center
BTDC= Before Top Dead Center
BBDC= Before Bottome Dead Center