Holley Ultra XP Aluminum Fuel Bowl Kit - Hard Core Grey SB180020 Designed for internally balanced engines

Designed for internally balanced engines only and must be balanced with rotating assembly

10” and 12” widths

Magnum crankshafts by Callies have established themselves as one of the most durable competition crankshafts ever produced

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1964-1975 Pontiac LeMans

Holley Ultra XP Aluminum Fuel Bowl Kit - Hard Core Grey SB180020 Designed for internally balanced enginesUltra XP Aluminum Fuel Bowl Kit. Fits models 4150, 4160 & 4500. (Will require a . 250" longer fuel line). Black anodized finish 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