Compare Maximum number of 4 items selected Holley Accelerator Pump Discharge Nozzle - 121-137 Part #: 121-137 Line: HLY Holley Accelerator Pump Discharge Nozzle 90 Day Limited Warranty Angle (Deg): Straight Jet Size (in): 0.037 Inch
Compare Maximum number of 4 items selected Holley Intake Manifold - 300-137 Part #: 300-137 Line: HLY Holley Intake Manifold 90 Day Limited Warranty Head Type: Standard Range (RPM): 2500 To 7000 RPM EGR Compatible: No Engine Make/Size: Chevrolet LS1, L2, L6 Front Height (in): 5.417 Inch Rear Height (in): 5.417 Inch Show More Show Less
Compare Maximum number of 4 items selected Holley Intake Manifold - 300-137BK Part #: 300-137BK Line: HLY Holley Intake Manifold 90 Day Limited Warranty Range (RPM): 2500 To 7000 RPM EGR Compatible: No Engine Make/Size: GM LS3, L92 Front Height (in): 5.417 Inch Rear Height (in): 5.417 Inch Show More Show Less
Compare Maximum number of 4 items selected Holley Valve Cover - 241-137 Part #: 241-137 Line: HLY Holley Valve Cover 90 Day Limited Warranty Finish: Polished Material: Cast Aluminum Hardware Included: No Oil Filler Cap Included: Yes Gasket Or Seal Included: No Bolt Pattern: Perimeter Grommets Included: Yes Baffles Included: Yes Breather Included: No Hold Down Tabs Included: No Show More Show Less
Compare Maximum number of 4 items selected Holley Accessory Drive Kit - 20-137 Part #: 20-137 Line: HLY Holley Accessory Drive Kit 90 Day Limited Warranty Material: Cast Aluminum Pulley Type: Serpentine Water Pump Included: No Belt Included: Yes Thermostat Included: No Tensioner Included: Yes Water Pump Pulley Included: No Power Steering Pump Pulley Included: Yes Power Steering Pump Included: Yes Show More Show Less