Cart “Holley 300-120 LS1/LS2 Dual – Quad Intake Manifold” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal × 4-3/4" SBC Valve Covers Spreader Bar - Chrome $9.99 4-3/4" SBC Valve Covers Spreader Bar - Chrome quantity $9.99 × Holley 300-120 LS1/LS2 Dual - Quad Intake Manifold $573.95 Holley 300-120 LS1/LS2 Dual - Quad Intake Manifold quantity $573.95 Coupon: Apply Sales Code Update cart Cart totals Subtotal $583.94 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 $583.94 Proceed to checkout