Supertech Valve Spring Kit 90-93 Miata 1.6

Supertech 1.6 Valve Spring Kit

Valve spring kit with titanium retainers

90-93  Miata,  1.6,  B6, 1.6 323, 323GT, 323GTX Familia

Single spring 58 lbs seat @34.1mm

Double spring 70 lbs seat @ 33.5mm

Kit Includes:

16 Outer springs  58lbs @ 34.10mm SPR-TS1015/Si
16 Inner springs (double spring kit )
16 Retainers, titanium  RET-TS60/MA2
16 Seats  SEAT-TS/MA18I

Dual springs recommended for engines seing sustained use above 8000rpm