Hex Head, Grade-5
InfoVehicle Info Needed
MR GASKETPART NUMBER: 720-958G

Hex Head, Grade-5

$1545
1 left in stock
ShippingShips on Nov 02, 2026
Lowest PriceLowest Price Guarantee

Ford 289-302-351W: 5/16-18 x 2'', 12/pkg.
    Hex Head, Grade-5

  • Grade 8 Material
  • Extra Thick Flat Washers
  • Ideal For Minimal Space
  • 12-pt Head And Flange
  • Zinc Plated For Protection
    Choose from show quality chrome or zinc plated fasteners. Chrome fasteners are individually polished to a high lustre and then brite chrome plated. Includes hardened washers for uniform torque.
    12-Point Bolts feature a smaller-than-standard head and flange, and include special, extra thick flat washers for optimum clamping pressures. Ideal for use where space is minimal, typical on larger runnered race manifolds.
    Super Intake Bolts feature a generous underhead radius for added strength and a wide washer faced head to spread the clamping force evenly on the manifold for a positive gasket seal. Also features smaller-than-standard hex head and black oxide coating.
Part TypeIntake Manifold Bolt
Product LineMr. Gasket Intake Manifold Bolts
BrandMR GASKET
Package Height0.9
Package Width2.4
Package Length3.7
Weight0.7 PG
Part CategoryPerformance Parts
Thread Size (In.)5/16-18
QuantitySold as a kit
Fastener StyleBolt
Fastener FinishZinc plated
Part FitmentSemi Universal
Fastener MaterialSteel
Vendor Part Number958G
Package Qty1
Package TypeEA
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