BBC CHEVY 495 540 DART 310cc ALUMINUM HEADS BARE SET/PAIR 19100010 x 2
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DART PRO ONE 310cc BARE BBC HEADS.
121cc COMBUSTION CHAMBERS 310cc runners.
This sale is for a set of heads (2 bare heads).
PART # 19300010 x 2. INTAKE RUNNER: 310cc. DART'S HIGHLY POPULAR BIG BLOCK CHEVY PRO 1 HEADS FEATURE. ROLLED VALVE ANGLES, IMPROVED SPARK PLUG LOCATION, RAISED EXHAUST PORTS AND FAST BURN CHAMBERS. CAN BE USED WITH SHELF PISTONS, VALVE TRAIN COMPONENTS AND INTAKE MANIFOLDS.
We have complete top end hardware kits available for the Dart heads in our other listings. The kit has the correct head and intake gaskets, head bolts with special washers, and stainless intake bolts. The part number is TEK-1017-1275, or any TEK kit that has the 1275 part number in it. The first number is the type of head gaskets, and we have several different head gaskets that will work with the Dart heads. The 1275 is the intake gasket part number, and that is mandatory for use with these heads.
Uses valve size 2.250 and 1.88. These heads have the correct seat diameter to allow the use of these valve sizes.
Guide plate recommendation.
We strongly recommend the use of the Dart adjustable guide plates with these heads, or with any BBC aluminum heads for that matter. These guide plates will allow better rocker tip alignment due to the fact they are fully adjustable. We use them on every set of BBC heads we install on our engines, including the Dart Platinum Pro-1's, and AFR heads. The rocker tip may end up offset to one side more than is acceptable when using fixed guide plates, and the Dart adjustable guide plates allow a decent amount of correction. The variances in stud position to valve guide alignment vary on all brands of heads. The rockers could also contribute to this issue, as the trunnion or rocker body could have variance. By having proper rocker tip alignment, you are distributing the pressure on the valve tip evenly. This not only reduces uneven valve tip wear, but also prevents undue stress on the valve guides in the heads. The part number for these guide plates is BBC-ADJ-GP. See our other listings for these items.
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