Backwater Performance Systems
Roller Rocker Set Large Vanguard Performance
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Stock rockers are a 1.33:1 ratio. These rockers are 1.5:1 which increase the fuel-air mixture inflow and the volume of exhaust out of the cylinders. Basically - the engine breathes better.
Made from seasoned 7075 billet aluminum.
Aircraft grade aluminum and our new robust design ensures long life and no lifter flex when we induce added valve spring loads with the high rev spacer.
Our exclusive roller bearing style rollers free up additional horsepower and reduce the side load on the valve stem for reduced wear and longer valve guide life. This also improves valve timing through the RPM range. This ensures that our valves seat better over a longer period.
These rockers can be used to replace stock rockers or can be used on our performance camshafts.
We do not machine down the perches and eliminate the bosses that center the rockers. Meaning our roller bearing rocker system is well thought out for engine longevity. Our rockers are custom built, not modified from other applications to work on these engines. Our rockers are better aligned and our rockers don't add additional side load to the valves, a matter of fact, we reduce side load. Also, our rockers are designed to use stock valve covers. This took additional work, but well worth our time and design cost.
These roller rockers will fit both small and large Vanguard engines. We recommend using our heavy duty pushrods with our performance roller rockers.
Click on the image below to look at the item.
| Name | Roller Rocker Set Large Vanguard Performance |
|---|---|
| SKU | PC-04k |
| Vendor | Backwater Perfomance Systems |
| Title | Default Title |
Shipping policy
I shipped my product to the wrong address
We strongly encourage customers to carefully review their information before finalizing an order. Please note that MMP cannot be held responsible for any shipping or product costs resulting from orders being shipped to an incorrect address.
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How will my order ship?
At MMP, we ship all US orders from our Orem, Ut warehouse using FedEx/UPS/USPS. Upon departure from our facility, you will receive an email confirmation containing a tracking link for your convenience. Please note that FedEx/UPS does not deliver to P.O. Boxes or Military APO/FPO addresses; kindly provide an alternative shipping address to ensure smooth delivery. While we strive to expedite orders promptly, we cannot guarantee specific delivery times once the package leaves our warehouse. Delays may occur during transit, and we appreciate your patience.
How long does it take for my order to ship?
For Ground Shipping: Orders placed before Noon MT typically ship within 3 business days. Please be aware that orders are not processed on weekends; any orders placed on Friday afternoon after Noon MT will commence processing on Monday. Transit times vary between 2-10 days based on your location, with potentially longer shipping durations for Alaska and Hawaii.
For 2-Day Shipping: Orders placed before Noon MT should ship within 1-2 business days. Similarly, orders made on Friday afternoon after Noon MT will start processing on Monday. Expedited shipments to Alaska and Hawaii are not guaranteed to arrive within 2 transit days.
For Overnight Shipping: Orders placed before Noon MT are expected to ship within 1-2 business days. Again, orders placed on Friday afternoon after Noon MT will be processed on Monday. Expedited shipments to Alaska and Hawaii are not guaranteed to arrive within 1 transit day.
Please be advised that orders made during peak and holiday seasons may experience extended processing times. It's important to note that processing time does not encompass shipment transit time with the carrier.