Quick view Saenz Performance Yamaha 1.8 - S - Series - 4340 - Set of 4 - Up to 600 HP Make Yamaha Model 1.8 Engine Model 1.8 Series S - Series Metal Type SAE 4340 Set of 4 Rated HP 600 Stock Bolt Type* ARP 2000 Bolt Size 3/8" CTC Measurement 145.00 mm Pin End Thickness 20.80 mm Big End Thickness 21.82 mm Big End... MSRP: Was: Now: $675.00 Out of stock Compare