4Pc Sickspeed Spiked Bolt For Engine Bay Dress Up Kit 8X1.25 P1 24K for Honda Civic This is a set of 4 24k&nbsp;Technidize finished&nbsp;spiked bolts Made from weapons grade billet aluminum. Spikes weigh in at 13 grams a piece spikes have a total length of 34mm(1.57") Will fit on any 8x1.25 threaded bolt.