ARP 534-9701 Engine & Accessory Bolt Kit for CHEVROLET Small Block 8740 12pt ymm_24 You will also note that

You will also note that ARP offers specially undercut studs for several engines

PERFORMANCE GRAPH

Description ARD 186631-01 Catless Downpipe Set with Heat Shield for BMW M3 (F80) / M4 (F82 / F83)

Base Outside Diameter: 6 in (152 mm)

100˝ Thread Size M12 x 1

ARP 534-9701 Engine & Accessory Bolt Kit for CHEVROLET Small Block 8740 12pt ymm_24 You will also note thatIts 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.