Black Friday Month at Insane Diesel
Build your protection. Stock up for the miles ahead.
Build your Performance Protection System, save on Lorenzo’s Oil maintenance bundles, and discover exclusive offers in your cart.
November 2–30, while promotional inventory lasts.
Each offer has limited inventory and may end before November 30.
Offer 1: Performance Protection Bundle
Save $235 with Our Most Popular Bundle
$100 OFF your bundle + a FREE $135 oil sample valve upgrade.
Bring together all three parts of the Insane Diesel Performance Protection System: Extreme Bypass Oil Filter, Lorenzo's Oil – engine oil and fuel additive.
Add one of each to your cart:
- Any Insane Diesel bypass oil filter kit
- Lorenzo's Oil — Engine Oil, 5 gallons
- Lorenzo's Oil – Fuel Additive, 1 gallon
Your $100 bundle discount applies automatically. Add the oil sample valve upgrade with your bypass kit to receive the full $235 in savings.
Buying more than one complete Performance Protection Bundle? Each additional complete set in the same cart saves another $60.
| Complete sets | Total savings with free valve |
|---|---|
| 1 set | $235 |
| 2 sets | $295 |
| 3 sets | $355 |
Offer details: Discounts apply only to qualifying bundle products. Each additional set must include another bypass kit, 5-gallon engine oil, and 1-gallon fuel additive. Free oil sample valve limited to one per customer; valve upgrades for additional kits must be purchased.
Offer 2: Maintenance Bundle
Save $40 on Engine Oil + Fuel Additive
Already have a bypass system, or just looking for engine oil and fuel additive? Stock up on two Lorenzo’s Oil essentials and save.
Add both to your cart:
- Lorenzo’s Oil — Engine Oil, 5 gallons
- Lorenzo’s Oil Fuel Additive, 1 gallon
Receive $40 off automatically.
Ready to complete your Performance Protection System? Add a bypass oil filter kit to the same cart to increase your bundle savings from $40 to $100 and qualify for the free $135 oil sample valve upgrade.
Offer details: Maintenance Bundle savings are limited to one $40 discount per customer. Add a bypass oil filter kit to the same cart to upgrade to the Performance Protection Bundle and increase your bundle discount from $40 to $100.
Offer 3: Cart-Exclusive Savings
Stock Up on Essentials. Save on the Extras.
Find offers on select accessories, filter element refills, oil analysis kits, and other maintenance essentials as you build your order.
Here’s how to get the savings:
- Add the products you want to your cart.
- Check the cart’s offer section for available deals based on your selections.
- Add your chosen extras directly from that section to receive the special pricing.
These savings can be combined with either the Maintenance Bundle or the Performance Protection Bundle.
Offer details: Available offers vary with the products in your cart and remaining promotional inventory. Cart-exclusive pricing applies only when the offered items are added through the cart’s offer section.
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