Description
CNC PORTED HEADS for your – 1999-2007 4.7L Dodge Ram, Dakota or Durango are now a reality! AIR RAM PERFORMANCE is now able to bring you the BEST ported heads in the business through KNOLTON
- THE KTRE PROCESS
- ECONOMY HEADS – CNC PORTED
- RACE PREPPED – CNC PORTED
- BOOSTED PREPPED – CNC PORTED
- FLOW NUMBERS
- CORE EXCHANGE PROGRAM
- STOCK VALVES & STOCK SEATS
- STOCK SPRINGS – REPLACE WORN SPRINGS
- STOCK LOCKS & RETAINERS
- COMP VALVE JOB
- MILL HEAD FOR FINE FINISH
- HONED GUIDES
- CNC STAGE II PORTS
- LARGEST STAINLESS STEEL VALVES POSSIBLE WITH STOCK SEATS
- INTAKE: 1.94 / EXHAUST: 1.50
- COMP CAMS BEEHIVE SPRINGS
- COMP CAMS RETAINERS
- COMP VALVE JOB
- MILL HEAD FOR FINE FINISH
- HONED GUIDES
- CNC STAGE II PORTS
We offer the option for Boosted or Nitrous applications. These heads have all the same great stuff as the RACE PREPPED HEADS however come with a few additions specifically geared to the those who want to make the most out of their boosted 4.7L engines. The additions are, new valve seats and Inconell exhaust valves to help deal with the extreme heat caused from boost and we increase the exhaust valve size to 1.535. These heads are come ready for boost!
- LARGEST CUSTOM VALVE’S POSSIBLE NEW SEATS
- NEW HARDENED SEATS
- INCONELL Exhaust valves
- INTAKE 1.94 / EXHAUST 1.535
- COMP CAMS BEEHIVE SPRINGS
- COMP CAMS RETAINERS
- COMP VALVE JOB
- MILL HEAD FOR FINE FINISH
- HONED GUIDES
- CNC STAGE II PORTS
STOCK HEADS HEAD
- LIFT INT________EXH
- 10054—————50
- 200 110-————-87
- 300 146————-17
- 400 195————-135
- 500 220————-141
- 600226————-144
ECONOMY PREPPED HEADS flow approximately 12% more than the stock heads.
- LIFT INT_______EXH
- 10058—————50
- 200 117————–91
- 300 167————-120
- 400212————-144
- 500238————-157
- 600257————-166
- LIFT INT________EXH
- 10063—————-57
- 200117—————98
- 300175————–138
- 400233————–166
- 500262————–184
- 600271————–194
When you step up to these heads your stepping into the real deal.
If a core charge is applicable to you please make sure you select it, we will NOT ship heads without either the core charge up front. If the customer ships his/her own heads then no core charge is required. Customer is responsible for SHIPPING both ways if they chose to send their own heads for porting.
Cores MUST BE RETURNED within 3 months (90 days)of receipt of your ported heads. If we do not receive the core returns or do not hear from you within 90 days, we WILL use your core payment to replace the heads we sent to you. Effectively you lose your core deposit if this happens. Please keep us posted and make every effort to return cores in a timely manner.