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precision 4135 chromoly heat treated and plated body
Heavy duty 3/4" thick version of the standard version of the 40-175 torsion arm
Hyper Racing # 141-520
It has supreme chemical resistance and will not break down even after years of use with methanol
Used on the Hyper Lightning Sprints and Midgets
ECU Performance Data Tune rear end precision 4135 chromoly heat treatedHyper Racing # 603 753 This part number is for a data tune after the purchase of the 603 752 initial Performance Tune Flash. With recent advances in ECU flashing technology as well as data logging of speed density and Alpha N vs RPM capabilities, master engine tuners Mike Dicely and Nash Ely bring you the most advanced and best performing ECU performance tunes in the industry. Together they have logged countless hours, tuning hundreds of engines,
US$ 180.07
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