Supertech Dual Valve Spring Kit for 2020+ Supra GR
Vehicle Fitment:
2020-2021 Toyota Supra GR
MKV MK5 B58B30 Engine
Install Notes:
Uses OEM Seats
Purchase Includes:
(24) Dual Valve Springs
(24) Titanium Retainers
| Part Number: | Pressure Seat: |
| SPRK-B58B | 75lbs @ 37mm / 155lbs @ 10mm |
| SPRK-B58B-2 | 85lbs @ 37mm / 155lbs @ 10mm |
Supertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit.

Product Information
Product Information
Shipping & Returns
Shipping & Returns

Supertech Dual Valve Spring Kit for 2020+ Supra GR
Supertech Dual Valve Spring Kit for 2020+ Supra GR
Vehicle Fitment:
2020-2021 Toyota Supra GR
MKV MK5 B58B30 Engine
Install Notes:
Uses OEM Seats
Purchase Includes:
(24) Dual Valve Springs
(24) Titanium Retainers
| Part Number: | Pressure Seat: |
| SPRK-B58B | 75lbs @ 37mm / 155lbs @ 10mm |
| SPRK-B58B-2 | 85lbs @ 37mm / 155lbs @ 10mm |
Supertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit.

Original: $972.87
-65%$972.87
$340.50Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Vehicle Fitment:
2020-2021 Toyota Supra GR
MKV MK5 B58B30 Engine
Install Notes:
Uses OEM Seats
Purchase Includes:
(24) Dual Valve Springs
(24) Titanium Retainers
| Part Number: | Pressure Seat: |
| SPRK-B58B | 75lbs @ 37mm / 155lbs @ 10mm |
| SPRK-B58B-2 | 85lbs @ 37mm / 155lbs @ 10mm |
Supertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit.














