*New* Grassroots Apparel
[LIMITED TIME OFFER] GET A FREE Grassroots keychain w/ all apparel purchases!!
Official Working/Driving Gloves
$20.00 CAD
Grassroots Performance official work gloves. Because having the right gloves makes all the difference. Velcro strap for a universal fit. Working fingertips for your smartphone...
View full product details
(Days Go By) Black T-Shirt
$34.00 CAD
A shoutout to the popular Grassroots Performance DAIZGOBY (Days Go By) Premium Made Premium Design Soon to be your favorite shirt FREE Grassroots Keychain (Don't...
View full product details
(Days Go By) x Manga Black T-Shirt
$34.00 CAD
180s x RPS13 "Daizgoby" meets your favorite Manga. Premium Made Premium Design Soon to be your favorite shirt FREE Grassroots Keychain (Don't lose your keys!)...
View full product details
(Livin' In Japan) Black T-Shirt
$34.00 CAD
In honor of the Grassroots Ambassador himself @Niyang1313 Premium Made Premium Design Soon to be your favorite Shirt FREE Grassroots Keychain (Don't lose your keys!) Here...
View full product details
popular Direct-fit oil cooling kits
Nissan 350z/370z/G35/G37 19-Row Direct-Fit Oil Cooler Kit
$458.00 CAD
PART NUMBER: OCK19NIZ GRASSROOTS PERFORMANCE COMPLETE BOLT-ON 19-ROW OIL COOLER KIT FOR NISSAN 350Z/370Z/ INFINITI G35/G37 A staple for Grassroots, our #1 selling Oil Cooler...
View full product details
Universal 19-Row Performance Oil Cooler Kit
$388.00 CAD
PART NUMBER: OCK19UN GRASSROOTS PERFORMANCE COMPLETE BOLT-ON UNIVERSAL 19-ROW OIL COOLER KIT Simple installation is key for this universal custom oil cooler kit. Now including...
View full product details
FRS/BRZ/GT86 Direct-Fit 19-Row Oil Cooler Kit
$520.00 CAD
PART NUMBER: OCK19FRSBRZ GRASSROOTS PERFORMANCE OIL COOLER KIT FOR FRS/BRZ/GT86 NEW RELEASE! ALL FRS/BRZ/GT86 KITS NOW COME EQUIPPED WITH A DIRECT FIT MOUNTING BRACKET. THIS...
View full product details
Nissan SR20DET 19-Row Direct-Fit Performance Oil Cooler Kit
$488.00 CAD
PART NUMBER: OCK19SR20 GRASSROOTS PERFORMANCE BOLT-ON OIL COOLER FOR SR20DE/SR20DET ENGINESThis kit will enhance the oil life and lubrication of your Nissan engine. The oil block...
View full product details
LSX 19-Row Direct-Fit Oil Cooler Kit
$464.00 CAD
PART NUMBER: OCK19LSX COMPLETE BOLT-ON FOR OEM LS/VORTEC 19-ROW OIL COOLER KIT Simple installation is key for this custom direct-fit oil cooler kit. A vital upgrade to any...
View full product details
BMW E36 Direct-Fit 19-Row Oil Cooler Kit
$498.00 CAD
PART NUMBER: OCK19BM1 Complete Bolt-On BMW E36/E46/E9X 19-Row Oil Cooler Kit NEW RELEASE! ALL BMW E36 KITS NOW COME EQUIPPED WITH A DIRECT FIT...
View full product details
Universal 19-Row Oil Cooler
$188.00 CAD
PART NUMBER: OC19UN Universal 19-Row Dual Pass Engine Transmission Oil Cooler Grassroots line of performance oil coolers can be used for a variety of oil...
View full product details
10-Row Transmission Cooler Universal Application
$118.00 CAD
PART NUMBER: OC10UN It's plain and simple. EXTREME HEAT KILLS TRANSMISSIONS AND CONVERTERS. Thanks to our Grassroots transmission cooler this will no longer be a concern. Ditch...
View full product detailspopular bolt-on mounting brackets
Universal Oil Cooler Bracket Kit
$34.00 CAD
PART NUMBER: OB19UN Take a look at our Grassroots Performance Universal Oil Cooler Bracket Kit. This bracket will easily mount to the bottom or top of...
View full product details
Direct-Fit Oil Cooler Bracket for Nissan 350Z/ Infiniti G35
$44.00 CAD
PART NUMBER: OB19NIZ Introducing the Grassroots Performance Z/G Oil Cooler Bracket. This is a direct-fit oil cooler bracket for 03-09 Nissan 350Z/ 03-07 Infiniti. Also fits...
View full product details
Direct-Fit Oil Cooler Bracket for HONDA S2000
$56.00 CAD
PART NUMBER: OB19S2000 This is a direct-fit oil cooler bracket for the AP1/AP2 HONDA S2000 Easily mount to the bottom or top of any 13" wide...
View full product details
Auxiliary Fan Kit for 19-Row Oil Cooler
$278.00 CAD
PART NUMBER: OC19DF Complete Bolt-On Dual Fan Kit For 19-Row Oil Coolers With the maximum attack in mind, this dual fan setup is designed for cooling your...
View full product details
essential oil cooling components
90* AN Fittings
$18.00 CAD
Description Grassroots Performance custom line of AN fittings are made of high-grade anodized T-6061 Aluminum. Our AN fittings utilize a double O-Ring line adapter and a...
View full product details
0* AN Fittings
$10.00 CAD
Description Grassroots Performance custom line of AN fittings are made of high-grade anodized T-6061 Aluminum. Our AN fittings utilize a double O-Ring line adapter and...
View full product details
45* AN Fittings
$18.00 CAD
Description Grassroots Performance custom line of AN fittings are made of high-grade anodized T-6061 Aluminum. Our AN fittings utilize a double O-Ring line adapter and...
View full product details
Grassroots Performance Universal -10AN Oil/ Fuel Line Kit
$108.00 CAD
PART NUMBER: OLK10UN Grassroots Performance Universal -10AN Oil/Fuel Line Kit ` Replace your old oil lines with a fresh set of pre-assembled hoses. Equipped with our...
View full product details
180* AN Fittings
$20.00 CAD
Grassroots Performance custom line of AN fittings are made of high-grade anodized T-6061 Aluminum. Our AN fittings utilize a double O-Ring line adapter and a triple...
View full product details
Dry Quick Release AN Fitting
$89.00 CAD
We're proud to announce our -AN Dry-Break Fitting. All racecars demand respect and proper maintenance. Whether you're changing a fuel system, pulling a motor, or...
View full product details
1/2" MIP x AN Fitting
$8.00 CAD
Grassroots Performance custom line of AN fittings are made of high-grade anodized T-6061 Aluminum. All AN fittings are suitable and tested for use with: PTFE Oil...
View full product details
Braided Nylon Oil Fuel Line
$9.00 CAD
Grassroots Performance E85 Approved Braided Nylon Oil / Fuel Line Hoses Oil and fuel lines are the veins of your motor and drivetrain. Engine, Transmission, Differentials,...
View full product details
what our drivers are saying
GREAT PRODUCT A+
Just installed this kit for my turbo Z. Customer service and shipping was on point. Installation was so easy, Took me 1 hour and everything was in place. Would recommend for anyone! Good upgrade and great product quality.
CRAZY QUALITY
Amazing product with amazing customer service. Paul the owner reached out and answered a few questions for me. Don’t hesitate to purchase.
GREAT BUY
Easy to install and works great! Definitely helped with oil consumption. 100% recommend.
GREAT BUY VERY HAPPY
Very nice quailty , your car is only as good as the quality parts you put in it and this oil cooler is high quality and performs great, I am happy to have this in my track/ street car!
SERVICE/PRODUCT
Product is great quality and has reduced oil temps on my SR20! Customer service was also great. All my questions got answered quick and they were extremely friendly! Thanks again for the great product and service!
EXCELLENT QUALITY PARTS
Got it when it came out when grassroots was starting, it took the relentless abuse and never had a problem with it. 10/10 fast shipping, affordable prices and these guys give awesome customer service too.
EARN REWARDS, JOIN OUR TEAM
Get Access to EXCLUSIVE Enthusiast Spending Rewards & Earn [FREE MERCH] with our GRP Punch Card!