Holley Ultra XP Aluminum Fuel Bowl Kit - Hard Core Grey SB180020 Magnum crankshafts by Callies have

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

This inexpensive new greasable seal will reduce your maintenance time to 5 minutes

Impact Transition balaclavas are handcrafted with flat seam interlocking stitching for enhanced comfort

10” and 12” widths

Holley Ultra XP Aluminum Fuel Bowl Kit - Hard Core Grey SB180020 Magnum crankshafts by Callies haveUltra 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