ZZP Oversized Aluminum Radiator for HHR Kappa You can find replacement bolts

You can find replacement bolts here and replacement gasket here

CHEVROLET VENTURE (1997 - 2005)

It comes with multiple bolt holes for the stock MAP or the GMS1 sensors so you can run either with no modifications

For anyone wondering how the horsepower could increase substantially when the air/fuel ratio was the same for both tests

you will want to look at our 12" FBody brake kit

ZZP Oversized Aluminum Radiator for HHR Kappa You can find replacement boltsOur ZZPerformance oversized radiator is a factory replacement radiator for your HHR made entirely of aluminum. It installs exactly the same as stock radiator with OEM style fan mounts and transmission cooler fittings. This radiator is twice the thickness of a stock radiator coming in with a full 2" core. The end tanks have provisions for transmission cooler fittings, however it is fully compatible with manual cars as well. Eliminating the plastic end