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When you install a set of BBK Performance long tube exhaust headers on your muscle car or truck the O2 sensors are relocated on the header that is no longer in the factory location and the factory O2 sensor connectors will not reach to connect any longer
1975-1975 Oldsmobile 98
373 lb/in Spring Rate
FE3/FE4 compatible
Ferrea Competition Plus Valve Stainless Intake 2.180" Head 11/32" Valve Stem 5.560" Long - SB Chevy 91609139 When you install a setProduct Description: Intake Valve Competition Plus 2. 180 in Head 11 32 in Valve Stem 5. 560 in Long Stainless Small Block Chevy Sold Individually Ferrea Racing Components are engineered to excellence! For decades, Ferrea Racing Components has been manufacturing hard core racing components for various types of engines in a wide range of categories worldwide. Ferrea uses the latest technological advances gained through the development of engine valve