Crown Automotive - Aluminum Unpainted Coolant Crossover - 5184653AF valve-covers Maximum dyno gains of 9

Maximum dyno gains of 9 hp and 11 lb

Other features include a pair of large 4

50-inch mandrel-bent tubing flowing into a Scavenger X-Pipe cross-over for maximum scavenging of exhaust gases entering into a pair of Flow FX "straight-through" mufflers for maximum performance and a deep aggressive sound

7 V8 1956 - 1957 Pontiac Chieftain / 1967 Pontiac Firebird Base 230/3

Crown Automotive - Aluminum Unpainted Coolant Crossover - 5184653AF valve-covers Maximum dyno gains of 9Overview: Coolant Crossover Line for Jeep 2011 2018 WK Grand Cherokee w 3. 6L Engine and 14 18 KL Cherokee w 3. 0L Gas Engine 3. 0, 3. 2 and 3. 6L Engines Does Not Include Gasket Uses OE Hardware Direct Replacement Crown supports its entire line with a 12 month warranty Application: Year Make Model Submodel Engine Size 2011 2018 Dodge Durango SXT 2012 2018 Jeep Grand Cherokee Limited 2014 2018 Ram ProMaster 1500 2013 2014 Chrysler 300 C Luxury 2013