Earls LS Side Mount Oil Cooler Adapter, 10 AN Male, (2) 1/8" NPT Ports 1993-pontiac-firebird-esi6766158 Rear spring rates - 160

Rear spring rates - 160 lbs/in dual rate

stock remanufactured replacement

This head gasket is graphite with a steel core and has a stainless steel fire ring

pistons and chambers

This system uses a Flow FX series muffler for a deep powerful sound and increased performance

Earls LS Side Mount Oil Cooler Adapter, 10 AN Male, (2) 1/8" NPT Ports 1993-pontiac-firebird-esi6766158 Rear spring rates - 160Earl's and Holley billet side mount oil cooler adapters are the slick way to add an oil cooler to your LS engine. The slim design of these adapters clear most headers and other components and feature 10AN male connections. These adapters are black anodized and use O Ring seals for a leak free installation. Add an Earl's Oil Cooler and AN plumbing to complete the installation.