Supertech valve springs are made with premium Chrome Silicon Vanadium Steel alloy for higher performance & durability at high rpms. Using high quality steel alloy also provides the added benefit of better structural memory.

Features

• OutSpr.OD: 24mm
• OutSpr.ID: 16.5mm
• InnSpr.OD: single
• InnSpr.ID: single
• Press.Seat: 73 @ 38.50
• Press.Open: 178 @ 10
• Max Lift: 12.5mm
• Coil Bind: 24.9mm
• Rate: 10.5mm
• SINGLE (1) valve spring

Application

• Toyota/Lotus 2ZZ-GE engine, ALL