Kelford Cams Spring for the RB25DET NEO

Kelford Cams make two options when it come springs for the RB25DET NEO : 

1. RB25DET NEO "Drop-In" Spring to fit OEM Retainer:

Drop-in parallel spring to suit OEM retainer and base

97lb seat pressure at 38.65mm installed height

Intake: 95lb seat pressure at 38.95mm installed height.

185lb at 10.00mm lift.

Exhaust: 97lb seat pressure at 38.65mm installed height

197lb seat pressure at 38.65mm installed height

190lb at 10.00mm lift. - NISSAN RB25DET NEO. Drop-in parallel spring to suit OEM retainer and base. \nIntake: 95lb seat pressure at 38.95mm installed height. 185lb at 10.00mm lift. \nExhaust: 97lb seat pressure at 38.65mm installed height. 197lb seat pressure at 38.65mm installed height

1. RB25DET NEO Beehive Spring with Titanium Retainers:

High performance beehive valve spring set with titanium retainers

100lb seat pressure

180lb at 10.00mm lift

11.40mm maximum lift

100lb seat pressure @35.5mm Install

180lb at 10.00mm lift

Bind @ 24.1mm

11.40mm maximum lift

11.40mm maximum lift. - NISSAN RB25DET NEO. High performance beehive valve spring set with titanium retainers. Ovate PACALOY wire. 100lb seat pressure @35.5mm Install. 180lb at 10.00mm lift. Bind @ 24.1mm. 11.40mm maximum lift.