Corvette J Hook Competition Disc Replacement Ring - AP Racing : 1997-2004 C5, Z06
Corvette J Hook Competition Disc Replacement Ring - AP Racing : 1997-2004 C5, Z06
Corvette J Hook Competition Disc Replacement Ring - AP Racing : 1997-2004 C5, Z06
Corvette J Hook Competition Disc Replacement Ring - AP Racing : 1997-2004 C5, Z06
Corvette J Hook Competition Disc Replacement Ring - AP Racing : 1997-2004 C5, Z06
Corvette J Hook Competition Disc Replacement Ring - AP Racing : 1997-2004 C5, Z06
Corvette J Hook Competition Disc Replacement Ring - AP Racing : 1997-2004 C5, Z06
Corvette J Hook Competition Disc Replacement Ring - AP Racing : 1997-2004 C5, Z06
Corvette J Hook Competition Disc Replacement Ring - AP Racing : 1997-2004 C5, Z06
Corvette J Hook Competition Disc Replacement Ring - AP Racing : 1997-2004 C5, Z06
Corvette J Hook Competition Disc Replacement Ring - AP Racing : 1997-2004 C5, Z06
Corvette J Hook Competition Disc Replacement Ring - AP Racing : 1997-2004 C5, Z06

Corvette J Hook Competition Disc Replacement Ring - AP Racing : 1997-2004 C5, Z06

Corvette J Hook Competition Disc Replacement Ring - AP Racing : 1997-2004 C5, Z06

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$564.95

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Availability: Usually Ships In 3-5 Days In Stock - Ships Next Business Day Brand: ESSEX Parts / AP Racing Brakes SKU: 14119000
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  • Description

    AP Racing J Hook Competition Disc Replacement Ring (355x32mm)
    choose 1 right and 1 left.

    14" x1.25" (355mm x 32mm) 72 Vane, D54, J Hook Right Hand Iron Racing Brake Disc Weighs 15.1 lbs.

    AP Racing J Hook discs are the epitome of endurance racing components. They will hold up extremely well to any abuse you plan to throw at them. These discs have been proven time and again in professional racing, winning many races and even championships (ALMS, Rolex, Grand Am, etc.)

    Internal Vane Quantity and Quality
    The internal vane design on AP J Hook discs is quite a bit different vs. OEM-style discs and other brands of aftermarket discs. Many OEM discs feature a pillar vane design, which can be thought of as a group of posts or pillars connecting the two disc halves together (see pic below). The pillars are not organized linearly from the outside to the inside of the disc, and turbulence is created as air flows through and among them. Pillar vane discs are therefore not particularly well suited to heat evacuation. The goals of a pillar vane design are disc face stability for low NVH (Noise, Vibration, Harshness), and a low cost of production. Pillar vanes are non-directional, and the same part number is used on both sides of the car (again for cost reduction). Other OEM discs feature a straight, non-directional internal vane. While that type of vane flows more air than a pillar, it does not move nearly as much air as the directional vanes featured in AP Racing's discs. Having directional vanes means that AP Racing discs are handed. There is a unique left disc and a right disc in each pair, and they cannot be swapped from side-to-side on the car. The orientation of the vanes is optimized to spin in a certain direction, pumping the maximum amount of air possible through the disc. The shape of these internal vanes is also optimized to promote smooth airflow.

    In addition to having a superior internal vane design, AP Racing discs have far more of them! Most aftermarket discs have 30 to 48 vanes. After extensive CFD and thermal stress analysis, AP designed the J Hook's with a high vane count (typically 60 to 84 depending on application). Having more vanes increases airspeed and heat transfer through the disc, reduces air recirculation between vanes, and reduces deflection at the disc face. Compared to an OEM-style disc or competitor's 48 vane discs, the 60+ vane discs are less prone to coning, distortion, and cracking, while providing less brake fade, reduced judder, more even pad contact, and a longer service life.

    Exclusive AP Racing J Hook Slot Pattern
    When you cut a slot or drill a hole in a disc you impact heat transfer. The area around the slot or hole acts as a cool spot when the disc heats up, which is not ideal. Ideally, heat is distributed uniformly around the disc so it can be hit with the cooling air that is pumping through the disc, radiate outwards away from the disc, etc. Cool spots create stress risers and increase the likelihood of the disc cracking. They also cause the face of the disc to distort unevenly, leading to uneven pad deposits, vibration, and judder. The OEM discs avoid this problem by simply leaving the face blank. While the risk for NVH goes down, so does the pad bite and feel of the disc through the brake pedal. Competitive aftermarket offerings typically have straight slots, which tend to leave cool spots across the disc face between the slots.

    During exhaustive R&D testing, AP's J Hook design was found to create a constant pathway of evenly distorted material on the face of the disc. The hooks are spaced out as evenly as possible both around the circumference of the disc, as well as from the inside edge (where the hat attaches) to outer edge, with a slight overlap to promote even heat distribution/distortion. In addition to reducing cracking, the even heating of the disc also helps provide an even transfer layer of pad material on the disc when you bed them in.

    Additionally, the J Hook slot pattern produces a greater number of leading edges for the pads to bite into vs. a traditional curved slot pattern, and particularly a plain-faced disc. While this may lead to slightly more whirring or scraping noises from the discs when applying the brakes, the benefits of more even heat distribution, less propensity to crack, cleaner pad material transfer during bed-in, and more bite far outweigh the slight increase in NVH for the serious enthusiast.

    Complex Metallurgy Developed Through 50+ Years of Experience
    AP Racing has been designing brake components for more than 50 years. They've had their components on cars that have won more than 750 Formula 1 races! On any given race weekend, AP J Hook discs can be found on 75% or more of the NASCAR Sprint Cup grid. AP has learned from these experiences, and have developed a proprietary iron alloy with extreme durability, designed specifically for what you intend to do with it (flog the hell out of it). The primary objectives with OEM discs are simple: they must be cheap and easy to produce. The design objectives for these two products are vastly different.

    Disc Burnishing/Bedding Service
    If your brake discs aren’t being properly prepared for abuse prior to flogging them on track, you’re exposing yourself to potential judder, vibration, and cracking issues. We all know that prepping your pads and discs at the track can be difficult. Doing so wastes time during the first session of the day, and it's a hassle and potentially dangerous for other drivers as you go through the procedure. Track time is expensive and tough to come by. The more time you spend behind the wheel performing an elaborate bed-in procedure, the less time you’ll spend doing hot laps. Performing the procedure on-track also limits its repeatability. You can't control what's going on around you with track conditions, other drivers, etc., and many track configurations don't really lend themselves to the constant start/stop/start required to do the job properly.

    Essex is now offering a solution via our professional burnishing service. Previously reserved for our professional racing customers, we are now offering our retail customers the option of having the discs in select Competition Brake Kits pre-burnished at our factory. We burnish thousands of discs for the top racing teams each year. After countless hours of experimentation, and extensive feedback from the top drivers and teams, we can consistently squeeze the most reliable performance out of AP Racing's discs. The procedure is incredibly repeatable, as it is performed on a computer-controlled machine by experienced technicians. The cost of our burnishing service is $50 per disc ($100 per brake kit).

    Please note that the pads you receive will not be pre-burnished. In other words, the pads and discs do not have to be a matched set burnished together to reap the benefits the procedure has on the discs. In other words, we will burnish the discs in the pad compound you choose, they just won't be burnished with the exact set of pads that will arrive with your kit.

    Reasonable Replacement Cost
    Let's face it, no matter how good a brake disc is, it's still a consumable item. They're no different than brake pads or gasoline. You beat them up until they crack to pieces, then you throw them away. If replacement iron is too expensive, you're always driving in fear, waiting to shell out big bucks for a new set. Despite having the most expansive set of features on the market, spare AP Racing J Hook's are completely affordable.

    Going to the track is expensive! Event entrance fees, hotels, fuel, and tires all add up. While you obviously want the best product available, you can't afford to pay a small fortune for something you're just going to destroy. You can buy a cheap set of discs for every event, have relentless heat issues, and find yourself constantly swapping them out. When you do the math, the long-term value of the AP J Hook's is tough to beat. You'll enjoy all the benefits without breaking the bank, and you'll spend more time driving and less time wrenching.

    Elite level teams choose AP Racing discs because they know the work has been done to provide the best available product at any price level. The AP J Hook is a direct derivative of AP's vast racing experience. You can buy with confidence knowing that you're getting the best product available at any price point. A note of caution however: the J Hook design is often imitated, and there are a number of lesser quality imitations on market. Before purchasing, make sure you are getting an authentic AP Racing J Hook.

  • Related Categories & Tags

    Collections:
    ACI, BC All, Discontinued, ESSEX Parts / AP Racing Brakes, Out of Stock, Racing Brakes
    Tags:
    Discontinued

  • Shipping

    All items will be shipped via Standard Ground Service unless otherwise requested. Many carriers require a physical street address; they will not deliver to a P.O. Box. All freight charges are the customer’s responsibility. Please note that all freight charges quoted are for Standard Ground Service on the price list. We will be happy to quote you charges for other shipping methods. All Items shipped on Friday Next Day Air will be delivered on the following Monday. If you would like Saturday delivery for items shipped on Friday only, please contact us for shipping arrangements. If an item is custom order or on back order, it will ship with the selected shipping service as soon as it is ready. To check if an item is in stock and ready to ship, please call our parts department.

  • Return & Policy

    RETURNS

    Customers may return new, unused items within 90 days of delivery for a full refund to the original payment method.

    West Coast Corvette is not responsible for return shipping costs unless it was our error. Please refer to the tables below for return restrictions.

    Click here to start your return.


     Time Period Refund Policy
    90 days  Full refund to original payment method
    After 90 Days 30% Restocking fee and store credit at our discretion, Some restrictions apply.




    Item Restrictions   Products Refund Policy
    Oversized/Special Order Items Oversize fees are noted on the product listing. Including but not limited to, wheels, spoilers, splitters, side skirts, exhaust systems, exhaust parts,  any items with initial oversize shipping fees or that have been ordered from an outside supplier. 10%-25% Restocking fee
    Custom Items MGP Calipers, Lloyd Mats, Racemesh Grills, American Car Craft, Oracle Lighting Not eligible for return
    Final Sale Used parts, clearance items and parts that have been installed. Not eligible for return


    SHIPPING
    All     items will be shipped via Standard Ground Service unless otherwise requested. Many carriers require a physical street address; they will not deliver to a P.O. Box. All freight charges are the customer’s responsibility. Please note that all freight charges quoted are for Standard Ground Service on the price list. We will be happy to quote you charges for other shipping methods. All Items shipped on Friday Next Day Air will be delivered on the following Monday. If you would like Saturday delivery for items shipped on Friday only, please contact us for shipping arrangements. If an item is custom order or on back order, it will ship with the selected shipping service as soon as it is ready. To check if an item is in stock and ready to ship, please call our parts department.

    INTERNATIONAL ORDERS

    All international orders must be prepaid before shipment can be sent. Due to the constant fluctuation of currency rates and depending on the items being ordered, your freight fees will vary. It is important that you contact West Coast Corvette for shipping quotes. Shipments outside of the Continental US may incur customs fees, Duties, or Taxes depending on the destination country. The fee may vary depending on your order value, country limits, and other factors based on the product itself. Per regulated shipping rules, the customer is responsible for these fees. Any fees associated with customs are to be paid  by the customer as West Coast Corvette has no way of calculating these fees. 

    CORE CHARGES
    Our exchange program is very simple and allows you to receive chrome plated wheels or powder coated calipers without unnecessary down time to your vehicle. We first send you a set of our high quality chrome plated GM wheels or powder coated calipers to have installed. The best way to purchase is with a credit card. We initially charge you for the Chrome Plating
    (wheels) or powder coating (calipers) plus a refundable core charge. 
    You must return your undamaged cores within ten (10) days, we then issue you a full core credit within ten (10) days of receiving the product. Cores returned late (after the 10-day period) will be charged a $30.00 (per day) late fee. There will be a $100.00 stripping fee on painted caliper cores. To insure the highest quality available we only exchange GM products and they must be for the same style and year. Any damages will be deducted from the core refund. You may contact WCC for return shipping assistance.


    WARRANTIES
    All items are warranted to be free from defects in materials and workmanship at the time of shipment to you. Your purchase will be backed by the limited warranty extended by the manufacturer of the parts. West Coast Corvettes and the manufacturer will not honor warranty requests due to shipping damage, improper handling or installation, neglect, accidents, or competition use. Warranty claims apply to parts only. All Chrome Exchange wheels come with a 3-Year Written Warranty. Our 1-piece reproduction wheels come with a “Lifetime Limited” structure and a 2 year chrome warranty. All wheels should be checked for trueness or run-out before installation, in case shipping damage has occurred. All wheels should be test fit before installation to assure proper clearance of brake rotor, brake caliper, inner and out fender and brake cooling duct. Complete warranty will accompany wheel shipments. WCC does not directly warrant any high performance part or labor. Performance parts are installed at the customers risk and any warranty claim must be taken up with the manufactures. Performance parts may or may not meet individual state emission laws. It is the customer’s responsibility to determine the emission standards and laws of his or her area. WCC does not cover labor on any warranty claim. All WCC Forged Wheels  are designed for street use only.  Warranty is void if used for racing.


    OVERSIZED ITEMS
    All items that are considered “oversized” are items that are billed from the carrier at an oversized rate, indicating a minimum of a 30lb. package. Oversized items have an additional fee to cover these high shipping costs, even when a "free shipping" promotion is in effect. 

    DAMAGE/DEFECTIVE CLAIMS
    Always check the contents of your shipment in the presence of the person delivering the merchandise. Should any damage be present, immediately notify WCC so that all the necessary steps be taken to insure prompt replacement of any goods. Notify West Coast Corvette’s Customer Service Department for instructions on returning damaged or defective goods before sending the item back. West Coast Corvette is not responsible for any claims arising from damage notification given after three (3) days of receipt of delivery. *Damage claims may not be submitted after the part is installed.* Once the item is installed, West Coast Corvette is not liable for damages or imperfections.  

    SHORTAGES
    Always check the contents of your delivery to ensure that all the parts ordered are received. If you are missing any items please check to see if they have been back ordered on the invoice before calling the Customer Service Department. If a shortage has occurred, please contact our Customer Service Department within three (3) days of delivery to insure a prompt replacement. West Coast Corvette assumes no liability after this point.

    PAYMENT INFORMATION
    We accept Cashier’s Checks and Money Orders made payable to West Coast Corvettes. We accept MasterCard, Visa, American Express and Discover. All personal checks are subject to a 10 day hold. For your protection, we do not accept cash through the mail. Credit card orders can only be shipped to the billing address listed with the bank that issued the credit card. C.O.D. orders add $ 13.00 CA residents, add 8.00% sales tax. Call for Wire Transfer information.

    C.O.D. ORDERS
    Cashier’s Checks or Money Orders will be accepted for C.O.D. orders. If a C.O.D. order is refused, any future order would need to be paid in advance of shipment with a Cashier’s Check or Money Order.

    INTERNATIONAL ORDERS
    All international orders must be prepaid before shipment can be sent. Due to the constant fluctuation of currency rates and depending on the items being ordered, your freight fees will vary. It is important that you contact West Coast Corvette for shipping quotes.


    ALASKA & HAWAII
    All orders shipped 2nd Day Air. All orders must be prepaid with credit card, money order, or cashier's check. No C.O.D. orders will be accepted. Shipping rates depend on the items being ordered. Contact West Coast Corvette for accurate shipping quotes.

    SALES TAX
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    PRICES SUBJECT TO CHANGE WITHOUT NOTICE • WCC IS NOT RESPONSIBLE FOR TYPOGRAPHICAL ERRORS. FEEL FREE TO CONTACT WCC WITH ANY QUESTIONS TOLL FREE AT 888-737-8388 AND AS ALWAYS, THANK YOU FOR YOUR BUSINESS AND CONTINUED SUPPORT!

Corvette J Hook Competition Disc Replacement Ring - AP Racing : 1997-2004 C5, Z06

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