Opel / Vauxhall 2.0 Z20LET Z20LEH Supertech valve springs SPRK-TS1015-Z20

Spring data:

Seat pressure - 75lbs @ 35.10mm
Open (lift) pressure - 191lbs @ 10mm
Spring coil bind - 20.70mm
Rate - 12.10lbs/mm
Max lift - 14.40mm
Outer spring outer diameter: 27.50mm
Outer spring inner diameter: 20.00mm
Inner spring outer diameter: 20.00mm
Inner spring inner diameter: 15.20mm

Set includes:

Dual springs: 16 pcs. SPR-TS1015-Z20
Titanium retainers: 16 pcs. RET-TS5.5-T5
Seat locators: 16 pcs. SEAT-TS-Z20