Allstar Performance 3/16" Large Head Tri-Fold Rivets - Aluminum Mandrel - Silver (250 Pack) Helmet Cheek and Crown Kit Speed Control RelayAeromotive Inc

Speed Control RelayAeromotive Inc

Liners interchangeable for custom fit

Eyeport on all ST5 helmets is taller than the previous ST4 and has a special visor to accommodate the larger opening

Kits fit most aftermarket race and GM stock Metric spindles

250'' (1/4'') over GM L98

Allstar Performance 3/16" Large Head Tri-Fold Rivets - Aluminum Mandrel - Silver (250 Pack) Helmet Cheek and Crown Kit Speed Control RelayAeromotive IncTri fold rivets have a perforated body that opens and expands to create a large backside surface area, eliminating the need for backer washers. Use a 13 64" drill bit for best results. Box of 250. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over 30 years, customers worldwide have come to rely on the quality,