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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
MB1-HDR6 kit features ACT's most popular Heavy Duty pressure plate
HC6-XTR4 kit features an Xtreme pressure plate for the most demanding driver
Both headers feature: -16 gauge 304 stainless steel -Equal length runners -Parallel Merge Collector -3/8" head flange -TIG welded construction -Standard porting at flanges -When used with our high-flow cat or testpipe
and boasting an optional black ceramic coating
Large 85mm For Increased Airflow For Maximum Performance
BBK 10-15 Camaro LS3 L99 09-13 Corvette 95mm Throttle Body BBK Power Plus Series (1789) 1402 MB1-HDR6 kit features ACT's mostBBK Performance throttle bodies are designed as a direct replacement for the restrictive stock factory throttle body. All BBK Power Plus throttle bodies offer OEM drive ability but with up to 30% improved airflow for improved horsepower torque and throttle response. Every BBK throttle body is CNC Machined from a new high quality 356 aluminum casting and assembled with features like OEM style die stamped throttle linkages double sealed bearings and o