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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
CFD & Bench Validated Flow Performance
For extra customization
Q60 Coupe: Installed in conjunction with our FI cat back exhaust system and the OEM tune
For aftermarket or other unusual setups please contact us prior to placing your order to make sure you receive injectors that fit properly
EXPRESS OR IMPLIED
Kelford Valve Spring Kit Nissan RB25 NVCS Porsche CFD & Bench Validated FlowRB25DET 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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