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BBC CHEVY TOP END KIT FOR ALUMINUM HEADS TEK-5211-1275-BBC-50

Available

$139.95



Product Information

UPC372366654663
Product TypeShipped Product
Shipping Cost $12.95
Number of reviews 0
MASTER TOP END KIT WITH MLS, (Multi Layer) HEAD GASKETS FOR BBC CHEVY ALUMINUM HEADS.

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This is the exact kit needed for our Bravo 335 or Pro Comp bbc heads. Also fits many of the various aluminum heads on the market.

PART NUMBER, TEK-5211-1275-BBC-50

THIS IS EXACTLY YOU NEED WHEN INSTALLING A SET OF ALUMINUM HEADS ON YOUR BIG BLOCK CHEVY ENGINE. THIS IS THE CORRECT KIT FOR OUR BRAVO OR SPEEDMASTER BBC REC. PORT HEADS.

BBC MLS MULTI LAYER HEAD GASKETS, PART NO. 5211

NEW PIC OF THE 5211 MLS BBC HEAD GASKETS photo d69ec648-7de2-4f69-9ece-28abb794135a.jpg

  • The BEST sealing gaskets on the market today
  • Severe applications (Boost, NOS, high compression) can also be used on non high performance applications.
  • Reusable
  • Extreme sealing, durability
  • No drawbacks to running this type gasket.
  • Many new high performance cars use this type gasket
  • All four layers are made of pure 304 non magnetic stainless steel.

The Speedmaster MLS gasket is comprised of four layers of Stainless Steel. Stainless steel for increased strength, its ability to rebound and corrosion resistance. The outer layers of the gasket are embossed and coated on both sides and are designed to meet the demands of a variety of harsh sealing environments, load conditions and surface finishes. The center or shim layer of the gasket is comprised of an un-coated Stainless Steel layer. The compressed thickness of these gaskets is .040 thousandths. The MLS gasket is ideal for both aluminum heads to cast iron blocks and aluminum heads to aluminum blocks. The composition of MLS will also withstand the shearing forces created by aluminum heads on cast iron blocks. No re-torque is necessary. By design, the MLS gasket promotes an even torque load across the sealing surface allowing for measurable reduced bore distortion. A must for those running aluminum heads.

These gaskets are very similar to the Cometic MLS gaskets. The best designed gasket ever made. We are convinced that this type of head gasket is far superior to conventional style heads gaskets in every way. Most high performance cars use this type gasket straight from the factory. We have built numerous bbc high performance engines using this type of head gasket. Zero failure rate.

Brand: Speedmaster
Bore (in): 4.530 in.
Gasket Material: Stainless Steel, four layers.
Compressed Thickness (in): 0.040 in.

FEL-PRO BBC CHEVY INTAKE MANIFOLD GASKETS PART # 1275


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Port Style: Rectangular
Port Height (in): 2.540 in.
Port Width (in): 1.820 in.
Thickness (in): 0.060 in.

Important note

You may have noticed that some Felpro gaskets include the end pieces that are used at the front and back of the intake manifold. We do not include these, and we DO NOT recommend using them. It is well known that these end pieces are prone to pushing out and creating an oil leak. The better solution is to use a high quality sealant between the block and intake pad. You could ask 100 lifetime engine builders if they recommend using them, and we're certain most, if not all, would say not to use these end pieces.

BIG BLOCK CHEVY 12 POINT COMPETITION STYLE 32pc. HEAD BOLT SET WITH SPECIAL STYLE WASHERS
PART # BBC-50

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This kit contains the following, 8 bolts at 5.375 length, 16 bolts at 3.850, and 8 bolts at 2.00
These measurements are done from under the head to the bottom of the bolt. This is without the washer.

12 point head bolt set with washers. The washers are a special type washer. Remember to install the washers with the flat side down against the cylinder head. The head bolts have an extended reach to compensate for the washer thickness. Beware of others offering a similar kit with standard reach bolts. When using the special washers, the bolts must have an extended reach, as oe length bolts do not have sufficient reach to accommodate the thick washers. This is what we use on many of our engine builds. Zero problems to date. The 12 point head also allows for a tighter fit of the socket and less variance in the torque readings. Standard style 6 point head bolts allow the socket to round the corners slightly on the bolt and this will affect torque accuracy.

One of the most important benefits of the special style head bolt washers are that they distribute the pressure on the cylinder head, and provide a glide surface for the built in washer on the head bolt. This allows for much greater accuracy when torquing the head bolts. Those with aluminum heads must use the special style head bolt washers for two very important reasons. The aluminum surface tends to drag and gauld against the head bolt, causing inaccurate torque readings.

We do offer this kit with head studs also. I strongly recommend that you NOT use head studs unless you are very well skilled at sealing them. This kit with the traditional head bolts is all you really need for any engine that is in the 12:1 or less compression range.

Correct length high grade 18/8 stainless allen head intake bolts are included. 1.50 length allows the use of any and all brands of aluminum intake manifolds.

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WE HAVE BEEN VERY SELECTIVE IN CHOOSING THE BEST OF WHAT'S OUT THERE.

The stainless steel intake bolts are are allen head style. The specs are listed below.

Fastener Style
Allen head.
Thread Size
3/8-16 in.
Head Style
Allen head
Underhead Length (in)
1.50 in.
For use on alum. intakes

Fastener Material
Stainless Steel
Fastener Finish
Natural
Quantity
Sold as a set of 12.

THE TOTAL PRICE WE HAVE ON THESE ITEMS IS MUCH LOWER THAN YOU WILL FIND IF PRICED INDIVIDUALLY. THE HEAD GASKETS ARE FEL PRO'S RACE GRADE GASKET FOR ALUMINUM HEADS, AND THEY ARE VERY EXPENSIVE. THIS KIT IS ALSO FOR USE WITH CAST IRON HEADS.

Very Important Note!

Our sales staff has limited technical knowledge on this product and are usually unable to answer many of the questions asked. See our other listings for variations of this product.

    • We are not responsible for collateral damage caused by the use of this product.

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