ARP 430-6803 Lower Pulley Bolt Kit for Chevrolet Small Block. Big Block. 3-piece. ARP Stainless. 12pt ymm_30 Dual-character valve-controlled sound

Dual-character valve-controlled sound

The system achieves over 45% weight reduction compared to the stock exhaust

Specifications Socket Size(s) 3/8 12pt UHL (Qty: 12) 1

Specifications Socket Size(s) 10mm 12pt UHL 30mm Thread Length 22mm Grip Length 8mm Thread Diameter-Spacing M8 x 1

Evolution Link Pipe Set (Titanium) was tested and developed together with Slip-On Line (Titanium)

ARP 430-6803 Lower Pulley Bolt Kit for Chevrolet Small Block. Big Block. 3-piece. ARP Stainless. 12pt ymm_30 Dual-character valve-controlled soundCHEVROLET Small Block, Big Block, 3 piece, ARP Stainless, 12pt lower pulley bolt kit Specifications Socket Size(s) 3 8 12pt High Performance 180,000psi UHL 0. 750 Thread Size 3 8 16 washers included Fits Following Engines: CHEVROLET Small Block, Big Block.