Extreme PSI :: Cooling :: Radiator Caps

Due to COVID-19 outbreak, we are closing off all retail pick up until further notice. Orders must be placed online or over the phone for mail-in order only. We apologize for the inconvenience.

Extreme PSI will be closing at 4:00PM EST on Friday, April 10th.

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USE COUPON CODE "5OFF" DURING CHECKOUT FOR AN ADDITIONAL 5% OFF ON YOUR ENTIRE ORDER!
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Radiator Caps

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Radiator Caps

Mishimoto Carbon Fiber 1.3 Bar Radiator Cap Small (Fits most Imports)
Mishimoto Carbon Fiber 1.3 Bar Radiator Cap Small (Fits most Imports)
Price: $31.95
MSRP: $40.00 (save 20%)
Ships in 24 hours
Mishimoto High Pressure 1.3 Bar Radiator Cap Large (Fits most Domestic)
Mishimoto High Pressure 1.3 Bar Radiator Cap Large (Fits most Domestic)
Price: $19.95
MSRP: $25.00 (save 20%)
Ships in 24 hours
Mishimoto High Pressure 1.3 Bar Radiator Cap Small (Fits most Imports)
Mishimoto High Pressure 1.3 Bar Radiator Cap Small (Fits most Imports)
Price: $19.95
MSRP: $25.00 (save 20%)
Ships in 24 hours
Mishimoto Temperature Gauge 1.3 Bar Radiator Cap: Large (Fits most Domestic)
Mishimoto Temperature Gauge 1.3 Bar Radiator Cap: Large (Fits most Domestic)
Price: $50.95
MSRP: $65.00 (save 22%)
Ships in 24 hours
Mishimoto Temperature Gauge 1.3 Bar Radiator Cap: Small (Fits most Imports)
Mishimoto Temperature Gauge 1.3 Bar Radiator Cap: Small (Fits most Imports)
Price: $50.95
MSRP: $65.00 (save 22%)
Ships in 24 hours
Out of stock
Out of stock
Out of stock
Greddy Radiator Cap 1.3kg/cm2: Type N (Most Honda, Some Toyota)
Greddy Radiator Cap 1.3kg/cm2: Type N (Most Honda, Some Toyota)
Price: $33.25
MSRP: $35.00 (save 5%)
Ships in 24 hours
Out of stock
Power Enterprise Radiator Cap 1.3kg/cm2: Type T (Most Honda, Some Toyota) *SALE*
Power Enterprise Radiator Cap 1.3kg/cm2: Type T (Most Honda, Some Toyota) *SALE*
Price: $20.00
MSRP: $25.00 (save 20%)
Ships in 24 hours
Apexi GT Radiator Cap 1.3kg/cm2: Type 1 (Most Nis/Maz/Mit/Sub)
Apexi GT Radiator Cap 1.3kg/cm2: Type 1 (Most Nis/Maz/Mit/Sub)
Price: $25.00
Ships in 24 hours
Apexi GT Radiator Cap 1.3kg/cm2: Type 2 (Most Honda, Some Toyota)
Apexi GT Radiator Cap 1.3kg/cm2: Type 2 (Most Honda, Some Toyota)
Price: $25.00
Ships in 24 hours
Koyo Type A Radiator Cap (Red / 1.3 Bar)
Koyo Type A Radiator Cap (Red / 1.3 Bar)
Price: $25.00
MSRP: $30.00 (save 17%)
Ships in 4-7 Days
Koyo Type B Radiator Cap (Blue / 1.3 Bar)
Koyo Type B Radiator Cap (Blue / 1.3 Bar)
Price: $25.00
MSRP: $30.00 (save 17%)
Ships in 24 hours