LUVTruck.com

I just bouht a 77 luv and had to remove the head in doing so I damaged one of the head bolts where can I find a replacement.

Scrap yard/ Craigslist. I remember destroying a bolt on my head that held the timing chain sprocket on, it had some sort of really fine oddball TPI and I couldn't find a replacement anywhere, machine shop quoted around 100 to have one made. I just ended up finding an old LUV at a picknpull and got it for 1 buck.

headbolts.com has new ones, about $67 a set. G180z 1.8L, G200Z 1.9L, 4ZD1 2.3L & 4ZE1 2.6L four cylinders all use the same head bolt, whether you buy new or find a used one somewhere.
Tip: it's a good idea to give your location if you're wanting something.

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'78 Chevy LUV,1.9,4sp,headers,31's,SAS Dana 30,Dana 20,SOA rear w/Aussie Locker, rough body, bought new 12/4/78.
'87 Trooper,2.3,5sp,headers,31's,ball joint flip & spacer,Aussie Locker rear,Superwinch hubs,brush guard w/5.5K winch,more to come.

Oldistisuzuist is correct.
I just got a set from headbolts.com last week.
I ordered them for an 83 pup I believe.
$69.99 delivered to my door.

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"You can't please everyone,so you've got to please yourself"

And on top of that your not supposed to reuse these head bolts because they stretch when installed. Reused ones can break off or not hold torque and cause you to blow a head gasket. Not a guarantee replacing one bolt will totally screw you. Just a possibility

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Luvless
1980 Mikado-Sold.

1993 Lexus SC400 my Daily
2004 Yamaha WR250F my new love in life
2016 Toyota Camry my girls ride

FSM does not specifically suggest using new head bolts.
They are a heavy bolt for the 72 ft-lbs they torque to, so they are not prone to stretch. You should be fine re-using the old bolts along with a used replacement for the damaged one. It is always a good idea to put the bolts back into the same hole they came from if possible, if not hand thread each one before installing the head to make sure they thread smoothly. The block holes must be clean & dry with no oil pooled in the bottom, the bolt threads should be clean and lightly oiled.

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'78 Chevy LUV,1.9,4sp,headers,31's,SAS Dana 30,Dana 20,SOA rear w/Aussie Locker, rough body, bought new 12/4/78.
'87 Trooper,2.3,5sp,headers,31's,ball joint flip & spacer,Aussie Locker rear,Superwinch hubs,brush guard w/5.5K winch,more to come.