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[ Compatible with ] : Chevy LS1 LS2 LS3 LS6 LQ4 LQ9 LY5 LY6 LM7 L99 L76 L92 , LSX 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L LS Engines .
[ Material ] : Made of heavy duty 3/16 thick steel plate and B7 grade hardware with strong durability. the compressor tool has strong durability!
[ Easy Installation ] : When you installing screws, using lubricating oil can have a better effect.Be sure to maintain the air pressure within the cylinder! Please take protective measures and Always use Eye protection and gloves.
[ NOTE ] : LS Valve Spring Compressor Tool ,must have for LS valve spring or seal replacement.
[ Package included ] : Stud, Nut, Valve Spring Compressor. [ 100% Satisfaction quality and service ] — If you're not 100% satisfied with our PRODUCTS, simply return it for a full refund in 30 days. Professional AND Sincere Service allows you to take no risks to purchase.

Product Description

1. Pneumatic operated valve holder designed for 14mm and 18mm diameter spark plug holes, commonly found on all LS engine platforms.

2. The other end is a 1/4" female NPT which can easily be connected to air hose quick connect fittings. 14mm is the standard spark plug size for most all domestic and foreign vehicles. Actual part may vary from picture.

3. This tool is used when installing valve springs while the cylinder head is installed on the engine.

4. Just be sure to maintain the air pressure within the cylinder while performing the spring change.

5. Simply place the cylinder you are working on at top dead center, thread the tool into the spark plug hole, and fill the cylinder with compressed air.

6. This tool allows the combustion chamber/cylinder to be filled with compressed air, which holds the valve closed while the valve spring is exchanged.

Made of heavy duty 3/16 thick steel plate and B7 grade hardware with strong durability.
The compressor tool has strong durability!