ARP 123-3601 Head Bolt Kit for BUICK Stage I ymm_26 The acoustic profile has been

The acoustic profile has been carefully tuned to produce a sporty and refined sound

The Downpipe for the Nissan GT-R from ARD have a diameter of 89mm and are the most effective solution for the upgrade of the GT-R exhaust system thanks to quality materials and fabrication

250˝ Thread Size 2 7/16-14

One machined billet injector with integral check valve to prevent unintended flow

ARP 123-3601 Head Bolt Kit for BUICK Stage I ymm_26 The acoustic profile has beenSpecifications Socket Size(s) 1 2 hex Finish: Black oxide Material: 8740 Chrome Moly Quantity: Kit Socket Size(s): 1 2 hex Kit Instructions Supported Vehicles: Buick Century 1975 1981, 1984 1985 Electra 1985 Le Sabre 1976 1985 Regal 1975 1985 Riviera 1979 1985 Skyhawk 1975 1980 Skylark 1975 1979