Does anyone know part numbers for valvetrain components for an L67, like cams, valves, lifters and springs. I would like to see what summit has to offer rather than buy from these online companies. Most of the stuff is comp cams, manley, Si, you know big names, its not like the online companies are making this stuff from scratch. I know the springs and reatainers are Ls engine based. You cant just type in 3.8 on summits website, they need specific part numbers. Thanks

been there done it. everything is sold in sets of 16 for our stuff. there is no saving money. But if you can pick up LS7 lifters I heard they are a good upgrade.

What makes them better?

Umm idk it'* the stock replacement on LS1'* now. It'* suppose to have better spec idk I saw it on some LSx forums. The only thing is I heard you need to go with a .05 shorter pushrod.