Piston zero shock lightweight

Piston zero shock lightweight

Regular price€13,90
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Fps is proud to present the first lightweight piston with a technopolymer body and all metal teeth equipped with a shock-absorbing system ZERO-SHOCK 100% Made in Italy.

This system patented by Fps allows the stresses that the rack transmits to the piston body to be attenuated, making the assembly enormously more resistant and reliable than a normal piston.

The material of the body has been studied a technopolymer filled with the addition of a small percentage of elastomer which gives high mechanical performances and a very low friction coefficient.

The rack was manufactured using MIM (Metal Injection Molding) technology since this production process guarantees dimensional precision and robustness practically equal to those of solid machining.
The rack comes with the second tooth missing and with the third already lowered by 3 tenths of a millimetre, as this configuration prepares the piston itself for a correct angle of engagement (AOE) and makes it suitable for high burst speeds.
The type of metal injected it is the SAE 4650 surface treated with HRC38-42° hardening which is currently considered the best material on the market for this type of use.
The sliding guides are designed to minimize friction and retain the lubricant for a long period of time.
The seat of the rack is decentralized to favor the coupling between the teeth of the piston and those of the sector gear.
The longitudinal reinforcements on the sides of the teeth increase the robustness of the piston and avoid contact of the rack with the wall inside the cylinder.
Special ribs reduce the contact surface between the spring and the internal part of the piston body and consequently the friction between the metal and the technopolymer is also reduced during the contraction and elongation due to the firing cycle.

Delivery times vary according to the region and the type of courier, usually from 4/5 working days. All our products are covered by warranty and customer support that will follow you in case of any need.

OVERVIEW

Our refund policy and return lasts 15 days. If 15 days have passed since your purchase, we cannot offer you a full refund or exchange. To be eligible for a return, your item must be unused and in the same condition you received it. It must also be in the original packaging. To complete the return, we require a receipt or proof of purchase. Please do not return your purchase to the manufacturer.

REFUNDS

Once your return has been received and inspected, we will send you an email to let you know that we have received your returned item. We will also notify you when your refund has been approved or denied. If you are approved, your refund will be processed and a credit will automatically be applied to your credit card or original payment method, within a certain number of days.

LATE REFUNDS OR MISSING

If you have not yet received a refund, please check your bank account again. Then contact your credit card company, it may take some time for your refund to be officially posted. Then contact your bank. There is often some processing time before a refund is posted. If you have done all of this and still have not received your refund, please contact us at {email address}.

ITEMS ON SALE

Only regular priced items can be refunded. Sale items cannot be refunded.

SHIPPING AND RETURNS

You will be responsible for paying your own shipping costs for returning your item. Shipping costs are not refundable. If you receive a refund, the cost of return shipping will be deducted from your refund. Depending on where you live, the time it takes for your exchanged product to reach you may vary. If you are returning more expensive items, you may want to consider using a trackable shipping service or purchasing shipping insurance. We do not guarantee that we will receive the returned item.

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