New Proform Valve Spring Compressor Remove Stud Mount FOR all 3/8\" & 7/16\" 66784 For Sale - New and Used

New Proform Valve Spring Compressor Remove Stud Mount FOR all 3/8\" & 7/16\" 66784🔧 66784 Stud-Mount Valve Spring Compressor Tool 🔧【Universal Fit (3/8\" & 7/16\" Rocker Studs) | 400LBS Max Pressure | Lever Press Design】For Cylinder Head-On Spring Removal/Installation | Zinc-Plated Steel | 90-Day Warranty1. Core Features🔹 Universal Compatibility with Rocker StudsDesigned to work with all engines using 3/8\" or 7/16\" thread valve rocker studs, with easy thread switching:Thread SizeKey Fit Notes3/8\" & 7/16\"Adjust via a built-in c-clip to switch between thread sizes – no need for separate tools. Ideal for compressing valve springswith the cylinder head still on the engine(saves disassembly time).Critical Fit Check: Confirm your engine’s valve rocker studs are3/8\" or 7/16\" thread– incompatible with other thread sizes (e.g., 1/2\") or non-stud-mounted rocker setups.🔧 Durable Build & Efficient Leverage Design

• Heavy-Duty Zinc-Plated Steel: Resists rust, corrosion, and wear; handles the maximum 400LBS spring pressure without bending or breaking – durable for repeated use.
• Lever Press System: Includes a 6-inch steel leverage head and 12-inch rubber-handled metal bar (detachable for storage). The leverage design reduces effort, making it easy to compress even strong valve springs.
• One-Hand Operation: Locks valve springs in place during compression, freeing up one hand to reinstall valve keepers – no rush or fumbling, reducing the risk of part damage.

🌟 Simplifies Valve Spring Maintenance

• Fast Repairs: Cuts down valve spring replacement time vs. bulky compressors; ideal for between-rounds maintenance (racing engines) or DIY engine builds.
• Safe & Reliable: Slow, controlled decompression prevents sudden spring release (avoids injury or component damage); undergoes quality checks to ensure consistent performance.

2. Technical SpecificationsParameter CategoryDetailed SpecificationsCondition100% Brand NewProduct TypeStud-Mount Valve Spring Compressor (Part Number: 66784)MaterialZinc-Plated Steel (leverage head/bar) + Rubber (handle)CompatibilityAll engines with 3/8\" or 7/16\" thread valve rocker studs; for cylinder head-on useMax Spring Pressure400 LBSDimensions12-inch total handle bar length; 6-inch steel leverage headOperationManual lever press (stud-mount design)Warranty90-Day Manufacturer Warranty; 30-Day Free ReturnShipping OriginCA or NJ warehouses (dispatched based on delivery address)3. Package Included

• 1 × 66784 Stud-Mount Valve Spring Compressor

4. Usage & After-Sales TipsInstallation/Operation Steps

1. Thread Onto Stud: Adjust the c-clip to match your rocker stud size (3/8\" or 7/16\"), then thread the compressor directly onto the stud.
2. Align Fork: Position the tool so the fork lines up with the valve spring; attach the 12-inch handle bar to the leverage head.
3. Compress Spring: Use leverage to press down on the handle – this compresses the spring, exposing the valve keepers.
4. Remove/Install Keepers: With one hand holding the tool, use the other to remove old keepers or install new ones.
5. Decompress Slowly: Release the handle gradually to decompress the spring, then unthread the tool from the stud.

After-Sales Support

• Fitment Issues: If the tool won’t thread onto your studs, confirm stud size (3/8\" or 7/16\") – contact the seller for c-clip adjustment guidance.
• Defects: If the steel bends, handle breaks, or c-clip is missing, reach out immediately for a replacement.
• response First: Contact the seller before neutral/negative response – all issues (e.g., quality, use) will be resolved promptly.

The go-to tool for valve spring work! This 66784 compressor saves time and effort – tailored for 3/8\" and 7/16\" rocker studs with the cylinder head on. 🛠️🚗

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