Special profile designed for racing engines. Must be used with racing springs / shortened guides, high compression piston and exhaust system. Compression release removed. Hardwelded rockers highly recommended!

Valve Lift             Duration in Degrees   Duration @ .050     Grind Number

.385/.370

310

272/270

463/9i

There is a Core Charge on this item.

1. 
   
   You need to return a stock cam for a core refund.
   
   
2. 
   
   All cam cores must be returned within six months of purchase.
   
   
3. 
   
   Although the lobes of a hardweld cam are totally re-worked, the rest of the cam is not.
   
   
4. 
   
   In order to recieve a full refund you must return a good core, copy of invoice, core slip & return within six months.
   
   
5. 
   
   Core charge Refunds can take 30-60 day for processing.

Damage to journal area, journals out of round, stripped or broken bolt holes, excessive overheating, previosly hardwelded cams & Inferior aftermarket Taiwan Cores are not eligable for a core refund.