Ferrea Competition Plus Exhaust Valve - Ford BOSS 302/351 - Set of 8 - F1437P Transfer Case 1980:Porsche:928:Base

1980:Porsche:928:Base

The new location is the highest point of the cooling system and allows air pockets to easily escape during the coolant bleeding process

2009:Toyota:4Runner:Sport

American Made struts to the metric threads found on your Subaru

2000:Suzuki:Swift:GL

Ferrea Competition Plus Exhaust Valve - Ford BOSS 302/351 - Set of 8 - F1437P Transfer Case 1980:Porsche:928:BaseFerrea Competition Plus Valves have built a reputation as the industry's most reliable extreme duty valve. To manufacture the valves we use special aerospace quality alloys, including the EV8 Z18, which provides high tensile strength. An exclusive two step slow forging process ensures proper grain flow and virtually eliminates any damage to thematerial structure. The valves are then heat treated and stress relieved over a 48 hour period, which is the