Kelford Valve Springs Race Proven
Can be used in 1UZ, 1UZ Vvti & 3UZ Engines.
'Drop in' PACALOY valve spring set to suit OEM retainers
Featuring Nano-peen and Gold nitride surface finish treatment, this is the highest quality 1UZ spring on the market. 80lb seat pressure at 33.00mm installed height. Coil bind is at 20.50mm