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  1. ZR-1 Net Registry Forums - Powered by vBulletin

    This is a discussion forum for ZR-1 Corvettes.

  2. C4 ZR-1 Parts For Sale / Wanted - ZR-1 Net Registry Forums

    Post C4 ZR-1 parts for sale or wanted here

  3. Gathering 2025 and MR11 - ZR-1 Net Registry Forums

    Oct 16, 2024 · Gathering 2025 and MR11 C7 ZR1 General Postings

  4. C4 ZR-1s for Sale / Wanted - ZR-1 Net Registry Forums

    Post C4 ZR-1s for sale or wanted here

  5. Clutch master & slave cylinder upgrades on 1990 - ZR-1 Net …

    Jun 17, 2018 · Clutch master & slave cylinder upgrades on 1990 C4 ZR-1 Technical Postings

  6. Recommend NOT Buying/Using FVP Brand Water Pump from …

    Mar 13, 2025 · Recommend NOT Buying/Using FVP Brand Water Pump from RockAuto C4 ZR-1 Technical Postings

  7. Spark plug gap [Archive] - ZR-1 Net Registry Forums

    Mar 8, 2011 · I was told from the auto parts store clerk that NGK recommends .05" gap. But in Solutions it says .043" on a 91'. I have a '90. My question is: What gap size is correct .05" or …

  8. Air Conditioning Compressor Clutch availability - ZR-1 Net …

    Dec 28, 2023 · Air Conditioning Compressor Clutch availability C4 ZR-1 Technical Postings

  9. How To Find A Good, Local ZR-1 Mechanic - ZR-1 Net Registry …

    Nov 28, 2020 · How To Find A Good, Local ZR-1 Mechanic C4 ZR-1 General Postings

  10. Stainless Braided Flex Lines - ZR-1 Net Registry Forums

    Dec 9, 2024 · Stainless Braided Flex Lines C4 ZR-1 Technical Postings