Spring kit and caps Renault 5 Gt Turbo 1400 - 1600 in special steel.
Valve springs 16 pieces 8 internal springs and 8 external springs to be used according to the camshaft installed in order not to pack and have problems at high rpm.
Our caps can only be used with special one-groove valves of our production to avoid the known problems of this head with the original two-groove springs.
To install the double spring it is necessary to carry out modifications on the guide and on the head in order to install it,
The original springs have a load of 26.72kg , just using our bigger springs they are already stronger than the original Renault springs, in fact our single spring has a load of 33.5kg. while the combination of our two inverted coil springs reaches a load of 48.30 kg,
Detailed instructions are included for simple installation.