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Blue Thunder Cylinder Heads Small Block Ford Race Heads Blue Thunder Small Block Race Heads are NOW IN STOCK!!! They feature Canted Valves similar to Cleveland heads and are available in two combustion chamber sizes 50cc and 70cc. Standard intake runners are 220cc. Intake and exhaust ports are 2.200" intake and 1.71" exhaust (available with 2.25" intake and 1.70" exhaust for 4.155" bore), similar to Yates and require a Yates intake manifold and Yates style headers. These heads can be used on 351 Cleveland (9.20 deck), 351 Windsor (9.50 deck), and Ford SVO Blocks 9.200" and 9.500" deck heights. (Takes different intake manifolds for different deck heights). A standard Cleveland height exhaust port is also available. Blue Thunder Heads are designed for high output, big cubic race engines. Headers and Intakes are available through Flatlander Racing. Rocker Stud Girdles and Rocker Shaft Assemblies available.

Blue Thunder Heads Available in Stage 1, 2, 3 and Comp: Stage 1: Assembled with stainless steel valves, complete valve job, Manley chrome moly retainers and locks, Viton valve stem seals and Isky double valve springs for up to .570 lift cams (optional valve springs available for any lift cam).   Stage 2: Includes Stage 1 plus pocket porting, intake port match and port clean up and full exhaust porting.   Stage 3: Includes Stage 1 & 2 plus full intake porting, reshape chambers to unshroud valves and polish combustion chambers.    Comp: Includes all 3 stages above, plus additional porting. Average Flow Figures: Out of box at 700 lift, intake 360, exhaust 270.  Stage 3 at 700 lift, with 2.200 intake and 1.71 exhaust, 400 intake, 300 exhaust. Comp at 700 lift, with 2.25 intake and 1.70 exhaust (for 4.155 bore, 423 intake, 311 exhaust).   Bare Heads Stage 1 Stage 2 Stage 3 Comp $1699 $2469 $2899 $3245 $4349

Essential Options for your Blue Thunder Head!

Blue Thunder Girdle Part #: 1405-11349 Price: $229.00 Main Stud Girdle w/ARP Studs Only fits 351w blocks. Will clear stroker crankshaft. Part #: 1002-11329 Price: $179.00 Main Stud Girdle for Stock Stroke Only fits 351w blocks. Part #MG351 W Price: $119.00 Shaft Mounted Rockers Part #1002-11329 Starting at $149.00... Call us at (603) 378-0090 Victor Yates (4500-8500 rpm) Designed in conjunction w/Robert Yates Racing, these new manifolds are designed to work w/a wide variety of engine combinations using the new Ford SC1 Yates cylinder heads on SVO blocks with 9.2" deck height. They provide outstanding torque throughout the RPM range fro everything from dirt track applications to ARCA non-restricted engines.  Cross-sectional area is 3.2square inches. Will not fit cast-iron Cleveland Heads Part #: #2932 Price: $459.99 #2961 #2991 Victor 351-Y (5000-8500 rpm) Designed for raised port aluminum C3 SVO (Yates) cylinder heads used on SVO Ford NASCAR Busch Series, Winston Cup and Super Truck engines w/low-block deck height (9.200").  #2960 has runners w/a 2.8 square-inch cross-section and #2991 has 2.95 square-inch cross-section runners.  #2961 has 3.2 square-inch runners for those who require larger runners.  Intake flange machining is required for higher compression engines and slotted bolt holes are provided for ease of installation. #2961 is a spider-only type manifold which requires a separate lifter valley cover made by Ford Motorsport.  No waterneck provisions in manifold. Part #: 2961 (Victor 351-Y Spider) Price: $399.99 --------------------------------- Part #: #2991 (Victor 351-Y) Price: $399.99 no pic avail Blue Thunder Intake Manifolds: Description Price SBF Dual Quad $379 351C Dual Plane $379 351C Dual Plane-Comp $389 no pic avail Gaskets for Blue Thunder Heads: Felpro Gasket Part #: 1253-3 (intake) Price: $21/each Head Gaskets (.042 302 SVO, 351C SVO, 351W SVO) 1022 (left) $34/each 1023 (right) $34/each Copper gaskets

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