

Description
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400 CI+ – NITROUS – 35166124
Specs: 251/266 .62X”/.595″ 112+4
This camshaft is the result of years of back to back testing on 400+ cubic inch engines, mostly using TFS cathedral port heads and a Mast intake. The intake lobe made 15 rwhp more than the same exact duration Comp LSL intake lobe, and also made as much power as a Comp intake lobe with around .680″ lift. It made more power in back-to-back testing compared to a similarly spec’d cam from another leading cam company. So, to say that this cam has been rung out, is an understatement.
This cam generally runs in the 5.30’s-5.50’s in the 1/8 mile in a 3000+ lb chassis and has run as fast as 5.10′-5.20’s using the same TFS 245 heads and Mast intake.
Since this cam utilizes ultra stable lobes, it will turn 7500 rpm with our Platinum .660″ lift springs (SK001/SP001). Using our .685″ lift springs (SP010-16) shimmed to 1.700″ allows it to turn 8000 rpm.
Good lifters should be used like the Comp or Johnson short travel and stock rockers.Roller rockers will NOT turn as much RPM as the stock rockers will due to additional weight.
Most cam gurus claim .595″ isn’t enough lift for a nitrous cam, but back to back testing has shown otherwise, with increased exhaust lift showing no gains in power. This cam has gained 400 rwhp on a 300 shot of nitrous utilizing TFS 245 heads with the N2O exhaust port.
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If you are not 100% satisfied with your purchase, you can either return your order for a full refund or exchange it for something else, for up to 60 days from the delivery/pickup date. Following are the specific time periods of our return and exchange policy:
Drop Ship Items and Garage Sale Items are not eligible for return.
*Open-box electrical & special-order/custom-order components are not eligible for returns along with drop ship and garage sale items as stated above.*
Order Cancellations: Special order items are subject to order cancellation fees (2-5%). This includes engines, short blocks, and any items that require machine work.
Refunds (if applicable)
Once your return arrives at our warehouse, please allow 3-5 business days for proper inspection, processing, and refunds to be issued. Please note; we will release your funds as soon as the return process is completed, but your financial institution can hold funds for 1-5 business days after we release them.
Late or missing refunds (if applicable)
If you haven’t received a refund yet, first check your bank account again.
Then contact your credit card company, it may take some time before your refund is officially posted.
Next contact your bank. There is often some processing time before a refund is posted.
If you’ve done all of this and you still have not received your refund yet, please contact us at amsracing@gmail.com.
Sale items (if applicable)
Only regular priced items may be refunded, unfortunately sale items cannot be refunded.
Exchanges (if applicable)
We only replace items if they are defective or damaged. If you need to exchange it for the same item, call us at 318-222-7889 and send your item to: AMS Racing, 1020 Barksdale Blvd., Bossier City LA 71111, United States.
Warranty
AMS Racing is not responsible for any labor charges associated with a defect, a failure or improperly installed component. The installer will be liable to inspect and review all components before the installation process. If a defect is found, we will work with the manufacturer directly to have it replaced.
Gifts
If the item was marked as a gift when purchased and shipped directly to you, you’ll receive a gift credit for the value of your return. Once the returned item is received, a gift certificate will be mailed to you.
If the item wasn’t marked as a gift when purchased, or the gift giver had the order shipped to themselves to give to you later, we will send a refund to the gift giver and he will find out about your return.
Shipping
To return your product, you should mail your product to: AMS Racing, 1020 Barksdale Blvd., Bossier City LA 71111, United States
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-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 may take for your exchanged product to reach you, may vary.
If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.
Free Shipping on Qualified Orders
Within the Continental US
Excludes Freight Shipments ie. Engines
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