Holley White Accelerator Pump Cam - For 4500 Dominator Main Cap Stud Kit Zamp Z-23 Series replacement helmet

Zamp Z-23 Series replacement helmet shield

Elastic zig zag gauntlet closure ensures the gloves stay comfortably in place

these fittings offer improved flow and reduced risk of premature failure due to the elimination of the industry standard braze joints

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Holley White Accelerator Pump Cam - For 4500 Dominator Main Cap Stud Kit Zamp Z-23 Series replacement helmetWhite pump cam for model 4500 DOMINATOR carburetors. Profile design gives a quick, early shot of fuel but it does not empty the pump. Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are