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Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
Durable aluminum construction
Available in Black* or Red
- Mating weld flanges are 304L
EXPRESS OR IMPLIED
pulling to approx 10k+ RPM depending on engine
Kelford Valve Spring Kit Nissan RB25 NVCS Porsche Durable aluminum constructionRB25DET NVCS Valve Springs. High performance Nissan RB25 valve springs with Titanium retainers. Includes 24 springs, 24 retainers and 12 spring bases for the exhaust side to even up the install heights. Intake: 83lb seat pressure at 30. 40mm installed height. Exhaust: 80lb seat pressure at 30. 65mm installed height. 10. 50mm maximum lift.
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