SpeedFactory Racing High Performance MLSS-HP Head Gaskets for Honda/Acura K-Series Engines
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SpeedFactory Racing
SF-02-220
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Fits: Honda/Acura K20/K24 engines with PPA/PRB/PNC or RBC/RBB/RAA Head
SpeedFactory Racing is proud to release our line of high-performance Honda/Acura K-Series MLS head gaskets!
These MLS gaskets have been purpose built to provide an excellent seal on high compression/nitrous/turbocharged engines and when used in combination with our Extreme Duty L19 Head Stud Kit have been real world tested to 1000hp with excellent results (and to 1400hp+ with stainless wire O-ringed sleeved blocks). Note that this is not a stopper ring type design.
We have found over years of trying many different MLS gasket designs that once you reach an output level that eclipses what a non-stopper ring MLS gasket will reliably hold, adding a stopper ring only provides limited improvement and O-ringing the cylinder head or block becomes a necessity for a reliable combustion seal. The stopper ring becomes more of a hindrance to O-ring placement and function at that point and we have had much better success running O-rings with a non-stopper design.
The 0.040” thickness makes up for cylinder head and block surfacing vs the OEM 0.028” thickness and utilizes a 4-layer design with specialized embossments that increase active combustion sealing height, ideal for high output engines that experience high levels of head lift/movement. Our design also utilizes a unique internal silicone bead on the oiling passages for improved sealing.
Another unique feature is enlarged head stud holes for compatibility with 1/2” head studs (the 2 locating dowel holes remain OEM sized and are the only holes that need to be modified if running 1/2" head studs, greatly reducing the time & effort required during engine assembly).We have been reliably running these gaskets on wet deck Bullet Billet blocks which utilize 1/2" head studs at 1400+whp.
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Returns Policy
--PLEASE NOTE: MOST ORDERS ARE SUBJECT TO RESTOCK OR CANCELATION FEE. PLEASE CALL OUR OFFICE FOR DETAILS AND EXCEPTIONS-- You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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