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684" long pushrod set works perfectly with High Energy or Magnum rockers
the key suspension components
340 lph at 40 psi
5"W x 5"H x 4"D
/4150 4bbl
Holley Power Valve Plug - Fits Models 2300, 4150, 4160, 4500 HASZ23CL 684" long pushrod set worksMain jetting will need to be increased 6 to 8 sizes when plug is used. Features: Fits Models 2300, 4150, 4160, 4500 One Plug and Gasket 1 2 28 ThreadHolley 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
