To these, Summit Racing has recently added its own line of precision cast cylinder heads for third-gen Hemis. According to Summit, these heads feature A356 cast alloy construction (factory heads ...

We're still waiting to hear about the upgrades to the Dart's 2.4-liter four-pot, but Dodge has gone ahead and released the details on the upgrades to the 5.7-liter Hemi V8 in the Challenger and ...