High Horse Performance, Inc.300c Q&A
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what supporting mods do I need View answer
Answer posted 3 years ago | Stage 6 Motorsports 2-Step Rev Limiter System for All 5.7/6.1/6.2/6.4L HEMI
what is the highest lift can run with these? View answer
Answer posted 3 years ago | PSI LS 1511 ML Valve Springs for 03-08 5.7L & 06-10 6.1L HEMI
