When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Get 4.10s and Efans. Long tube headers will help out torque also. Spark plugs and COPs won't make a difference unless you're running n2o or forced induction. Cams are another option, but they aren't cheap.