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, and inboard marine applications.

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  • 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

Price: $48.95
Availability: Out of Stock

    cylinder head bolts for chevy  based marine inboard engine

    153 cu , 181 cu 2.5 and 3.0 liter

    ohv   8 valve engine

    Chris-craft marine

    Crusader marine

    Flagship Marine

    GM marine

    Hardin Marine

    Marine power marine /enpac / jetpac / sportpac

    Mercury marine,Mercruiser

    OMC marine

    Volvo-penta marine

    Yamaha Marine

    full set 10 pcs

    chbs-1154m

    2.5 and 3.0 153 /181 ohv inline 4 marine (gm)

    Number of questions: 4
    I have a 1985 mercruiser 3.0l 140. Are these the same head bolts? (Part #- 34510)
    Jeremiah September 5, 2019 2:32 PM
    Answers
    yes these will interchange with the 34510 and will work on your engine
    admin63484 September 5, 2019 3:22 PM
    Are these bolts 1/2-13 x 4?
    TTHOR406 September 25, 2018 10:12 AM
    Answers
    no they are not 'they are the same size as the OEM ones . 1/2 thread with a 3.550 U.H.L or is possible you measured the bolt incorrectly ? the Under Head Length is the correct way to size bolts not the OAL or over all length
    admin63484 September 25, 2018 2:08 PM
    <p>Will the Bolts fit a 1989 Mercruiser 3.0 L and are they NEW?</p>
    JiMS April 12, 2017 4:40 PM
    Answers
    yes they will fit , we only sell new bolts
    admin63484 April 13, 2017 5:20 AM
    Will these fit a 1988 3.0 Mercruiser? Is this price for a complete set of head bolts?
    MIKE EIGHMY July 20, 2016 9:59 AM
    Answers
    yes the set contains 10 bolts , yes they will fit
    admin63484 July 20, 2016 10:20 AM

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

    HeadBolts.com 20 mirona rd ext Portsmouth NH 03801

     
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