High quality precision machined. Made from our own proprietary Manganese Bronze. All guides need honing after fitment.
- OD: 10.02mm. ID: 5.95mm. Set of 12
Bronze Manganese Valve Guide Set of 8.
83lb at 30.40mm installed height. 10.50mm max lift.
Nissan RB20DET / RB25DET Engine Valve Springs
Pre-NVCS. 85lb seat pressure @ 36.0mm install height.
102lb seat pressure at 39.8mm installed height. 293lb at 13.7mm valve lift.
Drop-in PACALOY high-performance single valve spring set. Use with OEM retainers and spring base.
80lb seat pressure at 39.10mm installed height. Coil bind at 24.00mm.