Cart Continue shopping “Holley 125-55 5.5 Single-Stage Power Valve (Promise 24)” has been added to your cart. Remove item Thumbnail image Product Price Quantity Subtotal × Weiand 9240 SBC Long Style Action Plus Water Pump - Satin $168.95 Weiand 9240 SBC Long Style Action Plus Water Pump - Satin quantity $168.95 × Front Cover/Oil Pan Bolt $1.33 Front Cover/Oil Pan Bolt quantity $1.33 × Distributor Hold Down Chevy Comp Style - Chrome $3.99 Distributor Hold Down Chevy Comp Style - Chrome quantity $3.99 × Holley 97-200 Water Pump Assm For Tite-In -Replacement $103.95 Holley 97-200 Water Pump Assm For Tite-In -Replacement quantity $103.95 × Holley 0-4780C Model 4150 800CFM D/P-Chromate $838.95 Holley 0-4780C Model 4150 800CFM D/P-Chromate quantity $838.95 × Hose/Wire Line Clamps 3/8" Set of 4 $7.99 Hose/Wire Line Clamps 3/8" Set of 4 quantity $7.99 × Aluminum SBC Chevy Swivel Water Neck 15 Degree w/ O-Ring Seal $14.99 Aluminum SBC Chevy Swivel Water Neck 15 Degree w/ O-Ring Seal quantity $14.99 × Holley 12-805 Fuel Pump Kit $19.61 Holley 12-805 Fuel Pump Kit quantity $19.61 × Edelbrock 1722 Performer RPM Series Mechanical Fuel Pump BBC 396-454 110 GPH 6 PSI $180.95 Edelbrock 1722 Performer RPM Series Mechanical Fuel Pump BBC 396-454 110 GPH 6 PSI quantity $180.95 × Aluminum SBC Chevy Tall Circle Track Valve Covers $117.99 Aluminum SBC Chevy Tall Circle Track Valve Covers quantity $117.99 × Lakewood 15501 Clutch Fork Pivot Ball-Adjustable GM - Black Oxide $40.95 Lakewood 15501 Clutch Fork Pivot Ball-Adjustable GM - Black Oxide quantity $40.95 × Pioneer S1010 3/8" Rocker Arm Poly Locks Adjusting Kit $29.99 Pioneer S1010 3/8" Rocker Arm Poly Locks Adjusting Kit quantity $29.99 × MSD 85561 Slip-Collar Cap Distributor, Chevy V8 $440.95 MSD 85561 Slip-Collar Cap Distributor, Chevy V8 quantity $440.95 × Holley 108-89-2 Gaskets-Blue Non-Stick $14.44 Holley 108-89-2 Gaskets-Blue Non-Stick quantity $14.44 × Holley 125-55 5.5 Single-Stage Power Valve (Promise 24) $14.44 Holley 125-55 5.5 Single-Stage Power Valve (Promise 24) quantity $14.44 Coupon: Apply Sales Code Update cart Cart totals Subtotal $1,999.47 Shipping Enter your address to view shipping options. Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update Tax $0.00 Total $1,999.47 Proceed to checkout