QualFast High Performance Springs are manufactured by the industry-leading high performance valve spring factory using the latest materials and manufacturing processes. All QualFast springs are wound using super-clean chrome silicon or new Alpha 1 or 3 alloy wires. Engineered for high performance to give optimum lift and prevent valve float.
Use with 55-6302 Retainers (sold separately)
See listings below for specifications.
| Description | 52-10011, Max Lift: 0.540", OD: 1.504", ID: 1.090", Closed Load: 90 @ 1.880", Open Load: 265 @ 1.380", Spring Type: Single with Damper, Coil Bind : 1.265", 52-10012, Max Lift: 0.540", OD: 1.494", ID: 1.080", Closed Load: 95 @ 1.650", Open Load: 270 @ 1.200", Spring Type: Single with Damper, Coil Bind : 1.085", 52-16670, Max Lift: 0.540", OD: 1.435", ID: 1.035", Closed Load: 110 @ 1.700", Open Load: 300 @ 1.150", Spring Type: Single with Damper, Coil Bind : 1.100" |
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Quick Shipping and Professional Packaging
Our long-standing relationship with UPS FedEx DHL and other global carriers lets us offer various shipping options. Our warehouse personnel is highly-skilled and will wrap your goods according to our precise and exact specifications. Before they are shipped the goods are thoroughly inspected and secured. Every day we ship thousands of packages to clients from all over the world. This is a sign of our determination to becoming the largest online retailer in the world. The warehouses and centers of distribution are located in Europe, as well as the USA.
Note: Orders that contain more than one item are assigned a processing time according to the item.
Prior to shipment the items, our staff will carry out a thorough inspection on the products you ordered. The majority of orders are delivered within 48 hours. Expected delivery time is between 3 and 7 days.
Returns
We are not able to manage the stock in our warehouse or factory. This means that the actual stock could alter at any time. It is possible that you will not receive your order after it's been placed.
Our policy is valid for a period of 30 days. Unfortunately, if 30 days have passed since you purchased your item, we will not be able to provide a refund or exchange.
For your item to be returned the item must not be opened and in the condition you received it in. It should also be in its original packaging.
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