HeadBolts.com engine hardware store

We have cylinder head bolts (as well as all types of engine fasteners) for gas and diesel engines.

 Automotive, truck, industrial and inboard marine engine applications.

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Free shipping on orders over 125.00 dollars for domestic orders only.

  • Browse our aisles by going to categories menu, For all the engine hardware needs. We have bolts for your car ,truck or marine inboard engine.

1949-1955 331v-8 Cadillac engine 
Bore 3.8125-3.8145" (96.838-96.888 MM)

Stroke 3.625" (92.075 MM)

FIRING ORDER 1-8-4-3-6-5-7-2 1956-1958

365 v-8 Cadillac engine

390 v-8 Cadillac engine


Products 1-3 of 3
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331-/365-EARLY 390
Price: $154.99
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Availability: In Stock inventory
Totally Stainless bolts Item #: 6-6700 -

Stainless KITS FOR CADILLAC ENGINES 331/365/EARLY 390 (through 1962) ENGINE KITS- Every engine kit includes component kits for the Distributor. Fuel Pump, Intake, Oil Filter.Housing, Oil Pan, Thermostat Housing, Timing Cover.. Valve Covers, and Water Pump. The 331/365/390 kitsalso include component kits for the Coil Bracket, Valley Cover and Ground Straps HEX & INDENTED HEX -ORIGINAL STYLE - INCLUDES STUDS ANDSPECIAL 1 3/8 OD INTAKE WASHERS - 160 PC 6-6700 ...

fastener kit
Price: $215.00
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Availability: Out of Stock
Totally Stainless bolts Item #: 6-6751 -

Stainless KITS FOR CADILLAC ENGINES LATE 390 (1963 & UP) / 429 ENGINE KITS- Every engine kit includes component kits for the Distributor, Fuel Pump, Intake, Oil FilterHousing, Oil Pan, Thermostat Housing, Timing Cover, Valve Covers, and Water Pump. The LATE 390 (1963 & UP) / 429also include component kits for the Coil Bracket, Valley Cover and Ground Straps HEX & INDENTED HEX - ORIGINAL STYLE WITH INTAKE STUDSengine and accessory kits do not come with cylinder head bolts  6-6751 ...

6-6721
Price: $25.98
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Availability: In Stock inventory
Totally Stainless bolts Item #: 6-6721 -

Stainless steel HARMONIC BALANCER KIT- 331/365/EARLY 3906-6721

Providing cylinder head bolts / engine fasteners to engine rebuilders  since 1988

HeadBolts.com 20 mirona rd ext Portsmouth NH 03801

 
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