Cobalt HHR 2.0L Long Block Pulleys & Belts This package should give you

This package should give you an additional 60 horsepower over stock and you will lose nothing

Have you pulled the head off your Ecotec and want the superior reliability of ARP fasteners

Stainless welds

Aggressive torque

Our kit includes new cam and crank bolts along with new re-useable rocker bolts

Cobalt HHR 2.0L Long Block Pulleys & Belts This package should give youThis LNF engine uses a Gen 3 "sand cast" block, larger oil pan, higher compression pistons, and several enhancements over the Gen 2 LNF. In its stock form the LDK makes ~10 more HP than the LNF. The block itself is an improvement over the LNF Gen 2 block, and can handle up to and over 500whp, however the rods are much weaker than an LNF. We generally see the rods fail at around 320 350 wheel torque on our mustang dyno, however differences in fuel