This kit is intended for modified engines wanting to achieve high rpm's and maintain reliability of the top end. These are heavy duty springs and super light/strong titanium retainers for highly modified applications. Approximately 36.3lbs at .880" and 40lbs at .850" installed height. This kit must be paired with aftermarket stainless valves. These are not compatible with the 212cc Predator Hemi engines unless work is done to the spring seat.
- 2 Dual Springs
- 4 High Strength Keepers
- 2 Ultra Heavy Duty Titanium Retainers
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Dual Valve Spring Kit, Titanium Retainers
Can not communicate with anyone that means poor customer service.great product.