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Rocker Switch
Fits medium and X-Small devices only
ensuring you get the most from your high performance engine at higher RPMs
preventing a loss of oil pressure and possible bearing damage
Holley Metering Block Gasket - For Model 4150 57125BK Rocker SwitchHolley Metering Block Gasket 108 100 For Model 4150 3 Circuit 2 Per Package 100 Bulk Available 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 dominating the LS scene as well. Holley's
