ARP 534-9805 Engine & Accessory Bolt Kit for CHEVROLET LS Gen III. with stock exhaust manifold or headers. 8740. hex ymm_30 Supports custom exhaust fabrication for

Supports custom exhaust fabrication for race and performance builds

Bolt Head Type: 12 Point

Riviera 1979-1985

One is boost dependent for forced induction vehicles up to 35 PSI of boost (kit PN 30-3300)

which is designed to unleash the system’s full potential and enhance the performance of the car as the revs rise

ARP 534-9805 Engine & Accessory Bolt Kit for CHEVROLET LS Gen III. with stock exhaust manifold or headers. 8740. hex ymm_30 Supports custom exhaust fabrication forIts easy to assemble a show quality engine when you use ARPs handy Engine & Accessory Fastener Kit. Virtually everything you need comes completely organized in one convenient package (no need to deal with twelve different part numbers)! More importantly, each and every fastener is superior in strength to the OEM bolts, and also significantly better than hardware grades (even Grade 8). You have a choice of two premium quality materials and finishes.