PAC Racing 400 Series Titanium Dual Valve Spring Retainers - 10 Degree - 1.125" / 0.800" OD Steps (Set of 16) HASZ21CL or combination fueling strategies

or combination fueling strategies

10° or 20° screw-in ball joint sleeve

NEW Digital Readout 0-100 (Shore 'A' scale)

Real-Seal gaskets will work when an o-ringed gasket will not because the "Dead Soft" aluminum conforms to create a leak-proof seal

Stop attaches to firewall with rivets

PAC Racing 400 Series Titanium Dual Valve Spring Retainers - 10 Degree - 1.125" / 0.800" OD Steps (Set of 16) HASZ21CL or combination fueling strategiesProduct Description: Valve Spring Retainer 400 Series 10 Degree 1. 125 in 0. 800 in OD Steps Dual Spring Titanium 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 services at