SPEED ENGINEERING LS SWAP 1-3/4" SHORTY HEADERS 1955-1974 GM CAR**NOTE: These headers are not EPA certified and do not carry a CARB approval. They are intended for competition use only and are not eligible to ship to California under any circumstance. WARNING: This is a RACE ONLY product manufactured and sold for installation on vehicles to be used solely for competition purposes. Once this part is installed, the vehicle may never be used, or registered or licensed for use, on a public road or highway. If you

2007-2013 Chevrolet Avalanche (2wd/4wd) 4

Part Number BTR LS1 SHAFT ROCKER KIT

and linear ranges of pulse widths

8" Feed Line: Ensures reliable hydraulic fluid delivery

Air is directed through a new air intake tube constructed of cross-linked

These use lobes that are designed to be both beehive & double valve spring friendly

or powdercoated

Will work with a stock converter in 5

or aftermarket control arms

This kit will NOT fit LS9 engines

Fits all V6 and V8 General Motors (GM) active or dynamic fuel management vehicles

1988-1998 GMC Sierra C1500/OBS