Boost engine performance with Silverhook Oil Tonic – reduces friction, prevents deposits and extends oil life. Compatible with synthetic & mineral oils.
Silverhook
engine protection
vehicle maintenance
£9.26
Silverhook Radiator Flush, 500ml
£9.64 £3.80 at 48+
Out of stock
SilverhookD/ISGA14
Silverhook Radiator Flush, 500ml
Silverhook 500ml radiator flush effectively removes sludge and rust from cooling systems, preventing overheating without damaging components.
Car Maintenance
Silverhook
engine care
£9.64
Out of stock
Silverhook Radiator Stop Leak, 325ml
£9.61 £3.77 at 48+
Out of stock
SilverhookD/ISGA15
Silverhook Radiator Stop Leak, 325ml
Effective radiator stop leak for permanent repairs. Safe for all engines and compatible with antifreeze. 325ml bottle.