Probably not as much as you might think. Might 'get' someone with the LS5 notation but assuming they are casting 3964290 they're the same heads found on LS3 and L34 in 1970.
Probably not as much as you might think. Might 'get' someone with the LS5 notation but assuming they are casting 3964290 they're the same heads found on LS3 and L34 in 1970.
A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more!