cylinder head bolts Olds v8 77-up 307-455

Oldsmobile V8 cylinder head bolts 1/2 77-up 307-455. 

307,350,403 and 455 Oldsmobile engines. 

307 vin y 1980-90 vin 9 83-90

403 vin code k 1977-1979

full set of ARP hi performance  head bolts

also used in some buick cars 

 buick 403 / 6.6 liter vin code k

century 1977

electra 77-79 

estate wagon 77-79 

lesabre 77-79

regal  77

riviera 77-78

some of the oem bolts may have studs on top caution these do not have them

gm made the spilt to 1/2 bolts in 1977 check size before ordering if you have 7/16 thread bolts use 180-3600

180-3601