Thread: How much boost??
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Old 06-30-2025, 05:01 PM   #7
19Nasty1le
Craig
 
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Drives: 2019 ZL1 1LE
Join Date: Jan 2019
Location: Peterborough, ON Canada
Posts: 443
Quote:
Originally Posted by JSH View Post
What are the sizes of your pulleys?
Stock size 2.5” upper and 9.65” lower
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