PAC Racing 1.300 Ti Valve Spring Retainers - 7 Degree Helmet Vent The trailing arm holes are

The trailing arm holes are threaded 3/4-10 and the shock mounts are 1/2-13

1/2" Bolt Size

Get A High Quality Look That Functions Smoothly

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1957-1957 GMC Truck

PAC Racing 1.300 Ti Valve Spring Retainers - 7 Degree Helmet Vent The trailing arm holes areProduct Description: Valve Spring Retainer 400 Series 7 Degree 0. 940 in 0. 680 in OD Steps Dual Spring Titanium GM LS Series Set of 16 PAC Racing Springs is part of the Race Winning Brands Family. With more than 100 years of spring manufacturing experience. We understand the demands of racing and provide a commitment to all of our customers to provide the best service possible. We continue to expand products and offer expanded onsite technical