Engine Springs Retainer
Nissan RB25 PS251089 Kit N/A
Nissan RB25 Neo PS25N196 Kit Included
Nissan RB20/CA18 PS25109 N/A
Nissan VG30 PS25109 N/A
Nissan RB26 PS3506/15 N/A
Nissan RB30 5003D RET RB3080
SR20 (Shim over Bucket) CB4A RET1155
SR20 (Shim in Ret) PS3506/93 RET1145
WRX EJ20 (2000 up) PS3506/122 N/A
Suzuki G16A PS3506/93 N/A
Honda B16A PS3506/121 RET1110
Honda C27A PS3506/93 N/A
Hyundai G4EK PS3506/24 N/A
Mazda B6/BP1800 PS3506/46 N/A
Mazda KL V6 4V PS3506/128 N/A
Mazda F2 12V RR4 N/A
Mitsu 4G63 4V PS3506/128 RET1050
Mitsu 4G15 4G15 Kit N/A
Mitsu 6G72 PS3506/122 N/A
Toyota 4AGE PS3506/905 N/A
Toyota 3S GTE PS25109 N/A
Toyota 2JZ 2E51892 RET 1020
Toyota 7MGTE PS3506/905 N/A
Toyota 3K CB4 N/A
Toyota 18R RR4 N/A
Toyota 2F SBH2 N/A
Toyota 3E/2E 2E51892 N/A
Performance valve springs and valve spring retainer products are manufactured to a strict quality standard to ensure that you get the best for your dollar.
Valve springs come to you already scragged to save you time (scragging is a process where the spring is compressed to solid before checking loads). Springs are scragged individually to ensure each spring is to solid height before checking, unlike most that are scragged to a height somewhere close to solid.
Valve spring wire is also double eddy current tested to a depth of 40 microns and any wire detected with flaws is sprayed, the coiling machine picks this up and rejects these sections.
Performance valve springs are also rattle tested on a specially designed machine which we can put a cam lobe into and run a complete set up (lifter, spring, retainer, push rod, rocker and valve) and check for harmonics.
Add to all this, the fact that valve springs are also designed on SRAMA, a computer program from the Institute of Spring Technologies which gives Performance Springs all stress and pound loadings from installed height to coil bind.
Now you can see why Performance Springs logo says "RUNNING WITH THE BEST".
