This is a Genuine Spoon Radiator Cap Type-F  1.35bar (19.6psi) 

The Type F cap is suitable for most aftermarket radiators

(Type D is suitable for most factory radiators)

The Spoon Sports radiator cap functions to increase the pressure inside the radiator; the laws of physics then apply accordingly, even when the temperature of the coolant water exceeds 100°C, boiling can be avoided so gas bubbles and subsequent hot spots are avoided and increased cooling performance may be achieved.

 Type D Cap Vehicle Applications

• 92-95 Civic (all)

• 92-97 Delsol (all)

• 96-00 Civic (all)

• 02-05 Civic Si

• 06-11 Civic (all)

• 94-01 Integra (all)

• 02-06 RSX (all)

• 04-08 TSX

• 00-09 S2000 (all)

Type F Cap Vehicle Applications

• 88-91 Civic/CRX

• 90-93 Integra

• 92-01 Prelude

• 2013+ Scion FRS

• 2013+-Subaru BRZ

Note:

STD 1.1 increased to 1.35kgf/cm2

Spoon Part #: ALL-19045-001