![]() ![]() The performance has been outstanding on every combination we have tried them on. In the rare event you have issues with these heads, the problem will be addressed. Considering the price is only slightly higher than our former line of heads, this has to be the best value in a set of cylinder heads we have ever offered. The AFR 335 cylinder heads are that "something better" coming along. Sometimes it's not that a particular product has had a problem that leads to its elimination something better just comes along. We certainly know where to draw the line with low end products, and we continue to eliminate parts that we once accepted but for various reasons no longer carry. Details about this alloy are in the lower section of this ad. Our cylinder heads are made from AC4B alloy and tempered to T6 standards. Fully built with premium hardware, ready to install. None of the low cost bbc heads on the market have this performance that we know of. We're estimating approximately 650 hp in a 496 build with the same mid size cam. They produced 762 hp and a single plane intake manifold on a 572 pump gas build. These are what we now use on our 505, 555 and 572 bbc engines. The AFR Enforcer 335 bbc rectangular port heads are perfect for 454, 496, 540 and 572 street/strip engines. The recommended compression would be from 9.8:1 to 10.5:1 with pump gas, taking advantage of the aluminum castings. These heads are well suited on 4.280" and larger bore BBC engines. With the larger 2.250" intake valve on these AFR heads, it can interfere with the cylinder wall. These heads are not suitable on 396 or 402 engines that have the less then 4.250" bore size. We also have these heads setup for use with hyd. Please see the article in the lower part of this ad for a more detailed explanation. Our official company name is Skip White Performance. ![]() We have no other eBay names, nor are we associated with any other company regardless of the similarity in the name or location. There is only one "Skip White." We are the original premier eBay seller under this name since approximately 2003. These other sellers have capitalized on our name as we see it, and many customers searching for us will inadvertently find them, thinking we are one in the same company. You may have noticed other sellers using a similar name offering similar products. ![]() Our eBay user id is: skipwhite, and our eBay store name is whiteperformance1. WE WERE ALSO VERY HAPPY WITH THE WEIAND TRACK WARRIOR INTAKE USED ON THIS TEST. THE DYNO REPORT WILL BE THE VERY LAST ONE IN THE LIST OF DYNO REPORTS BELOW. CONSIDERING THESE HEADS ONLY HAVE A RUNNER SIZE OF 335cc's THEY HAVE BEEN THE BEST HEADS FOR THE MONEY WE HAVE EVER OFFERED. I WOULD SAY THAT'S GOTTA BE THEIR LIMIT, BUT WE DON'T REALLY KNOW. THAT IS OUR BEST HP NUMBERS ON A PUMP GAS SETUP TO DATE, AND WHO KNOWS HOW MUCH MORE THEY ARE CAPABLE OF. IT'S AMAZING THAT THESE HEADS ARE CAPABLE OF MOVING THAT MUCH FUEL AND AIR TO PRODUCE THIS POWER IN A PUMP GAS STREET ROD ENGINE. AND COMP ADJUSTABLE GUIDE PLATES.ĬHECK OUT OUR NEWEST DYNO RESULTS POSTED BELOW USING THESE HEADS ON OUR BBC 572 PRO-STREET ENGINE. GENUINE ARP ROCKER STUDS, AND COMP ADJUSTABLE GUIDE PLATES INCLUDED.ĪRP ROCKER STUDS INCLUDED. This sale is for a set of heads (2 heads). SEE OUR OTHER LISTINGS FOR THESE HEADS SETUP FOR USE WITH HYD. SETUP FOR USE WITH SOLID ROLLER CAMS UP TO 740 LIFT. AFR ENFORCER 335 FULLY ASSEMBLED BBC HEADS.
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