PPP 6.1 Heads: Stage II (works with 5.7L, 6.1L, 6.4L or 7.0L applications)

Complete and ready to bolt-on out of the box! These Aluminum Cylinder heads feature bronze valve guides, machined locks, titanium retainers, hardened spring locators, severe duty PSI beehive Valve springs, and larger 2.10/1.60 valves. Valve jobs are hand-blended from the seat to the port.

 

CORE CHARGES: Please contact us if you would like to send in your stock cores ahead of time for swap out or porting to avoid the up front Core Charge. You can also have an installation done at a PPP authorized installer to avoid the up front Core Charge in exchange for your already installed cores.

CORE CHARGE POLICY: All stock casting Core Charges will be returnable when undamaged stock cast cores are returned and inspected. Damaged cores will be sent back to the customer at the customers expense COD and the full core charge will be used to source new parts and therefore any and all core charges will be forfeited by the customer. Cores shall be returned within 30 days. After 31 days from ship date, 25% of the core charge will be forfeit. No cores will be accepted after 45 days from ship date and 100% of the core charges will be forfeit. Absolutely no exceptions or variances from this policy verbal or otherwise are applicable.