GSC Power-Division Viton Valve Stem Seals for the Toyota 2JZ 6.6mm exhaust valve stem (gsc1029) 4021 F1 style high velocity merge

F1 style high velocity merge collectors

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GSC Power-Division Viton Valve Stem Seals for the Toyota 2JZ 6.6mm exhaust valve stem (gsc1029) 4021 F1 style high velocity mergeGSC Power Division Viton Valve Stem Seals for the Toyota 2JZ 6. 6mm exhaust valve. These are an upgrade from the standard OEM material to help cope with the higher heat caused by high performance engines. Sold as a set of 12. Features: Made 100% in the US Designed to deliver trouble free, consistent performance Right for your vehicle and lifestyle Made from high quality materials for ultimate durability Manufactured to meet or exceed strict quality