Speed Engineering 24" Flat O₂ Extensions (Pair) — 1993–1997 Chevrolet Camaro & Pontiac Firebird LT1 / C5 Corvette LS1 | 31-1002 1983-jeep-scrambler-esi6592036 2006-2013 GMC Sierra 1500 SL

2006-2013 GMC Sierra 1500 SL 1999-2018 GMC Sierra 1500 SLE 1999-2018 GMC Sierra 1500 SLT 2002-2013 GMC Sierra 1500 WT 2010-2013 GMC Sierra 1500 XFE 2007 GMC Sierra 1500 Classic Denali 2007 GMC Sierra 1500 Classic Hybrid 2007 GMC Sierra 1500 Classic SL 2007 GMC Sierra 1500 Classic SLE 2007 GMC Sierra 1500 Classic SLT 2007 GMC Sierra 1500 Classic WT 2001-2003

Use standard size unless the crankshaft has been machined or reground oversize

Debris in the stock cooler bypass valve can cause it to jam the internal valve keeping it in recirculation mode

Monster-Ram® is the only 50-state emissions-compliant RAM intake elbow

Speed Engineering 24" Flat O₂ Extensions (Pair) — 1993–1997 Chevrolet Camaro & Pontiac Firebird LT1 / C5 Corvette LS1 | 31-1002 1983-jeep-scrambler-esi6592036 2006-2013 GMC Sierra 1500 SLInstalling longtube headers that require relocating your oxygen sensors further downstream? Speed Engineering's 24" flat connector O extensions are a plug and play solution using your factory O harness connectors no splicing or custom wiring required. Sold in pairs for both bank one and bank two relocation. Important Verify Before Ordering: LT1 F body (Camaro Firebird): Some 19931997 LT1 applications use a square O extension connector, while others