Supertech 100lb Dual Valve Springs/Retainers/Seats (06-11 Civic Si)

This Supertech package includes dual valve springs (SPR-H1021D), titanium retainers (RET-K20A2/T2), and valve seats (SEAT-H1020D).

Details

• TYPE: Dual Spring
• PRESS.SEAT: 100 @40.40mm
• MAX LIFT: 17.70mm
• COIL BIND: 22.70mm
• RATE: 13.20 lbs/mm
• RETAINER: RET-K20A2/T2
• SPRING : SPR-H1020D
• SEAT LOCATOR : SEAT-H1020DS