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PAC Racing valve spring seats and cups are a great way to prevent dancing springs, which would tear up your aluminum heads. High performance racing engines place extreme pressure on the springs. These retainers are essential for use on aluminum heads. They fit the inside or outside diameter of the springs, preventing spring seat movement.
( 8 )
$5.73
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$88.02
PAC Racing 600 Series valve spring retainers are the latest developments from PAC Racing Springs. These retainers feature ultra-lightweight designs from proprietary valve spring-type alloys. PAC Racing's sophisticated processing, such as micro-polishing and Nano Peen technology, are used to enhance retainer life. The high hardness of the steel provides higher wear resistance properties to offer superior abrasion resistance and improved fatigue strength, while also reducing weight. PAC Racing 600 Series valve spring come with a reduced step and need to be combined with a matching seat (where applicable) to optimize the performance of the valvetrain.
Not Yet Reviewed
$9.50
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$409.02
PAC Racing 1900 Series Hot Rod valve spring kits are great for replacing the entire valvetrain on your hot rod car or truck build! Each kit is designed with performance and quality in mind, using premium materials for superior. Order the size, spring rate, and other options needed for your application.
( 1 )
$460.80
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$500.15
PAC Racing 1200 Series valve spring kits are great replacements for pushing above and beyond the performance of OEM engines. They are ideal for upgrading camshafts or rebuilding an engine. The 1200 Series use a premium alloy that outperforms automotive industry standards; and PAC Racing processes the alloy to aerospace shot-peening standards to achieve superior fatigue dependability. This ensures that the springs maintain the load needed to withstand rigors of both street and mild racing applications. Order the set with options suitable for your vehicle.
Not Yet Reviewed
$512.57
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