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HKS Fine Tune Timing Belt for EJ20 EJ25 02-08 WRX, 04+ STi

HKS Fine Tune Timing Belt for EJ20 EJ25 02-08 WRX, 04+ STi

Regular price $260.00 USD $234.99 USD

Availability: In Stock Out of Stock

  Normally delivers in 1-3 biz days Made to order 4+ weeks

Brand: HKS

SKU: hks24999-AF001

Fine Tune Timig Belt This timing belts best suited for use with HKS Slide Cam-Pulley. Optimized belt strength for each engine application makes the Fine Tune Timing Belt ideal for use with HKS Slide Cam-Pulleys for high power/high RPM engine....

About The Product

Fine Tune Timig Belt

This timing belts best suited for use with HKS Slide Cam-Pulley. Optimized belt strength for each engine application makes the Fine Tune Timing Belt ideal for use with HKS Slide Cam-Pulleys for high power/high RPM engine.

 

Belt strength has been optimized for each engine application and designed to allow stable belt tension even when heat expansion occurs in the engine

 

Previous timing belt manufacturing techniques have involved with applying pressure from the outside to the teeth. This applies tension to teeth making them weaker. By forming a mould with the correct shape of teeth to begin with, it allows the teeth shape to be formed without compromising belt strength and can decrease the belt skipping at high torque engine.

 

Teeth rubber is made from H-NBR grade rubber for additional strength.

 

Balancer belt for 4G63 is also available. By combining both timing belt and balancer belt, the load and stress can be reduced for both engine and chassis

 

* Material and/or molding method may be sightly different depending on application.

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Necessity of Changing the Balancer Belt

The balancer is designed to reduce engine vibration by creating a vibration in the opposite direction to the engine. When used at high RPM such as on circuits, the vibration will naturally increase which causes more load on the balancer. Moreover, the balancer rotates at double speed of the crankshaft which will cause the belt to stretch at a faster rate compare to the other belts. This stretch will eventually put the balancer out of synchronization with the crankshaft, causing more vibration and then eventually the belt may break up. For this reason, HKS recommends that when the timing belt is changed, the balancer belt should also be changed with a strengthened item to allow the balancer for effective, accurate and reducing stress on the engine and chassis.

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Fine Tune V Belt

The Engine compartment dress-up part; "Fine Tune V Belt." Latest technology protects vehicles' conditions while improving engine compartment appearance.

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Features

Using the latest in-belt technology gives the following benefits: Increased durability at high temperatures which can be found in the engine bay of tuned vehicles. Increased performance in cold weather and condition. Lightweight and good friction tolerance properties which means that excess tension is not required while anti-sound properties reduces belt squeal.

 

Back face is blue colored with HKS logo. Blue is used in HKS intake hose which is for coordination in the whole engine bay. Colored nylon fabric used for good anti-color fading properties. HKS logo, product name, and belt length are printed on each belt.

 

Performance

EPDM (Ethylene Propylene Diene Monomer) Rubber was selected because of: Better durability and performance in hotter or colder conditions with improved friction tolerance. Much lighter than previous version of belt. Short fiber mixture in rib rubber improves the performance over previous version.

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Performance Comparison with Stock Belt

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Button bolts were installed to 24996-AK012 (5PK875) and 24996-AK013 (5PK885) during the test. When using these 2 belts above, a stock V belt may come in contact with a stock alternator adjustment bolt due to an insufficient clearance between them. Using the provided button bolts can prevent abrasion of the V belt.

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Return & Cancelation Policy

In stock, non special order items can be returned within 30 days of the product arriving to your house or place of work.
Returns will NOT be accepted on final sales, special orders, opened, installed, incomplete, or otherwise used products. In order to initiate a return, an RMA number must be requested and approved via e-mail.
All returns will be subject to a 20% restocking fee minus complete shipping cost (roundtrip).

Any processed orders that have not shipped will incur a 6% cancelation refund fee unless the product was not available to ship within a timely manner. No fee will be incurred if used as store credit.

For complete details on our return policy, please see our Help and FAQ link under HELPFUL INFO.

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