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Performance Gold™ Wrench-Off Oil Filter (HP-1004) by K&N®. Originally developed for demanding race applications, K&N's Premium Wrench-Off Oil Filter has become a favorite among consumers for its durability and easy removal. Most of K&N's automotive oil filters come with a 1 inch nut welded to the top of the canister so they can be easily wrenched-off with a standard tool. To satisfy the demands of racers, K&N's oil filter has many features over and above the requirements of most vehicles.
How many times has this happened to you: You’re doing an oil change and the old oil filter won’t budge! Your strap wrench just slips or you don’t have enough room for leverage. Time to drag out the big pliers or pound an old screwdriver through the filter; any way you slice it you’re in for a big mess and skinned knuckles.
The Wrench-Off Canister Oil Filter has thicker canister walls for strength and durability. Thicker walls stand up to rocks and other debris from the outside, and they can withstand a racing engine’s higher oil pressures on the inside without bursting. Your street car engine may never experience such hazards and pressures, but it’s nice to know you have an oil filter tough enough to survive them.
The filtering media in the Wrench-Off filter allows higher flow rates while trapping 99% of harmful contaminants. High flow rates are important for racing vehicles using heavy grade oil, when oil is pumped much faster than in a street engine. Your engine may never use that type of oil or need those flow rates, but it’s nice to know your oil filter has that extra degree of engineering.
As final proof that the K&N Wrench-Off filter is engineered for racing, the 1-in. welded nut has a predrilled hole for attaching safety wire, a requirement in many types of racing to prevent filter loss. You may want the Wrench-Off filter to simplify oil filter removal, but it will also give you peace of mind in between oil changes.
Buy with confidence If you encounter any issues with your product, simply reach out to us. We are committed to ensuring your satisfaction and will assist with any return or exchange requests that meet our policy guidelines.
We assure you that we ship all the parcels received on the same day till 12 pm standard central time.
We send shipment tracking numbers via email. It is sent to the email address you provided in your order. If you would like to change the email address you provided, Feel free to contact our support team at (support@part-synergy.com).
We are here to serve you. If there is any item that is damaged or needs to be exchanged or returned for any reason, please contact our support team(support@part-synergy.com). Please read our return and exchange policy to learn more about this.
All orders are free of shipment costs. The cost mentioned on the website is for getting it to your doorstep.
Please do get in touch with our customer support as they may be able to provide you with a return label which will cost you much less. But if you still need to send an item back, here is our shipping address.

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| Thursday | Fri | Sat | Sun^ | Wed | Thu@ | Fri@ | Mon= |
| Friday | Sat | Sun^ | Mon | Thu | Fri@ | Mon@ | Tue= |
| Saturday | Tue* | Wed | Thu | Fri | Mon@ | Tue@ | Wed= |
| Sunday | Tue** | Wed | Thu | Fri | Mon@ | Tue@ | Wed= |
*Sunday^ delivery if the shipper is enrolled in weekend spotted trailer pickups
**Monday delivery if the shipper is enrolled in weekend spotted trailer pickups
^Monday if not a Sunday eligible ZIP code
@ The following week
= Earliest possible delivery the following week
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