RnD Z20 Stem seal retainers

In stock

Price incl. VAT

RnD Z20 Valve stem seal retainers for Single or Double valve springs


The Z20 engine has a slight habit of blowing off the valve stem seals with high boost, particularly on the exhaust side. These little gems will keep them held down throughout the most arduous race use.

Precision CNC machined from Stainless Steel they are designed to be used with standard type stem seals and both double or single valve springs.

These are cheap insurance against the dreaded smokey idle that these engines are notorious for.


Note:- On anything serious we lightly hone the inside lip off of the exhaust side stem seals before fitting. This stops them gripping as tightly to the valves, and lets just a little bit of oil make it's way down to keep the stem seal from melting to the valve stem and ripping off. Intakes are fine as standard. Do not use any sealant on them.


Product Note Status Price
Z20 Stem seals x 16 Z20 Stem seals x 16
£20.00 *
Prices incl. VAT
Display accessory details

We also recommend

Z20 Cat Cams Single Springs
£150.00 *
Cat Cams Double Springs + Cat Retainers
£420.00 *
Prices incl. VAT

Customers who bought this product also bought

FCP Z20 H-Beam Rods
£340.00 *
Z20 Cat Cams Semi Race Turbo Cams
£575.00 *
Prices incl. VAT

Browse these categories as well: Top End, Top End, Top End, Top End, Top End