Speedway Motors Cylinder Head Stud and Nut Kit Zinc Steel Cut to Fit Improves Torque Accuracy Prevents Block Thread Damage, Compatible with 1949–1953 Flathead Ford and Mercury

★★★★★ 4.6 18 reviews

$90.00
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Management number 215617667 Release Date 2026/04/12 List Price $36.00 Model Number 215617667
Category

Performance engine builders know that head studs are superior to bolts, and this is especially the case on FlatheadCompatible with Ford and Mercury Compatible with V8s. Flathead decks are thin and their threads are easily stripped. By installing studs, you avoid damaging the threads in the block through repeated use. The combination of the studs fine outer threads and hardened washers also prevents galling and ensures accurate torque readings, particularly on aluminum heads. Studs utilize superior "pull down torque" Properly fastens and torques both aluminum and iron heads. Item Details 1939-1948 or 1949-1953

  • Improved Clamping Force: Head studs provide superior pull-down torque compared to bolts, helping maintain consistent clamping across flathead cylinder heads
  • Thread Protection: Designed for thin flathead decks, studs reduce the risk of stripping block threads during installation and repeated service
  • Accurate Torque Readings: Fine upper threads combined with hardened washers help prevent galling and ensure more precise torque values
  • Broad Compatibility: Works with both aluminum and cast iron cylinder heads on 1949–1953 Compatible with Ford and Mercury flathead Compatible with V8 engines
  • Complete Stud Kit: Includes cut-to-fit zinc-finished steel studs and hardware for a reliable, long-lasting head fastening solution
Brand Speedway Motors
Color Plain
Model 91015310-49
Head Type Hex
Size Name M6
Metal Type Mild Steel
Unit Count 1 Count
Item Weight 8 Pounds
Part Number 91015310-49
Thread Size M6x1.0
Thread Type Unf
Manufacturer Speedway Motors
Thread Class 1A
Thread Style Others
Fastener Size M16
Fastener Type Standard
Item Hardness Grade 2
Material Type Alloy Steel
Exterior Finish Zinc
Item Dimensions 6 x 5 x 3 inches
Thread Coverage Fully Threaded
Number of Pieces 1
Screw Head Style Hex
Manufacturer Grade Grade 2
Included Components Includes product as described
Warranty Description See Return Policy

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4.6 out of 5
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18 ratings | 7 reviews
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