Overview Reviews Product Description Intake Manifold - LS Mid-Rise EFI - Square Bore - Multi Port - Aluminum - Natural - LS1 / LS2 / LS6 - GM LS-Series - Kit Product Videos Custom Field Product Reviews Write a Review Write a Review × Holley Holley Intake Manifold Single Plane EFI GM LS1/LS2/LS6 300-137 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *
Quick view Holley | sku: HLY300-132BK Holley Intake Manifold Single Plane GM LS1/LS2/LS6 300-132BK MSRP: $509.11 Now: $442.70 Add to Cart Quick view Holley | sku: HLY300-132 Holley Intake Manifold Single Plane GM LS1/LS2/LS6 300-132 MSRP: $423.82 Now: $368.54 Add to Cart Quick view Holley | sku: HLY820041-1 Sniper EFI Fab Intake Manifold GM LS1/LS2/LS6 MSRP: Now: $669.95 Add to Cart Quick view Holley | sku: HLY820042-1 Holley Sniper Fab EFI Intake Manifold GM LS1/LS2/LS6 820042-1 MSRP: $743.76 Now: $664.07 Add to Cart Quick view Holley | sku: HLY300-256 Holley GM LS Intake Manifold Split Design LS1/LS2/LS6 300-256 MSRP: $679.39 Now: $590.77 Add to Cart Recommended Quick view Holley | sku: HLY300-132BK Holley Intake Manifold Single Plane GM LS1/LS2/LS6 300-132BK MSRP: $509.11 Now: $442.70 Add to Cart Quick view Holley | sku: HLY300-132 Holley Intake Manifold Single Plane GM LS1/LS2/LS6 300-132 MSRP: $423.82 Now: $368.54 Add to Cart Quick view Holley | sku: HLY820041-1 Sniper EFI Fab Intake Manifold GM LS1/LS2/LS6 MSRP: Now: $669.95 Add to Cart Quick view Holley | sku: HLY820042-1 Holley Sniper Fab EFI Intake Manifold GM LS1/LS2/LS6 820042-1 MSRP: $743.76 Now: $664.07 Add to Cart Quick view Holley | sku: HLY300-256 Holley GM LS Intake Manifold Split Design LS1/LS2/LS6 300-256 MSRP: $679.39 Now: $590.77 Add to Cart × OK
Quick view Holley | sku: HLY300-132 Holley Intake Manifold Single Plane GM LS1/LS2/LS6 300-132 MSRP: $423.82 Now: $368.54 Add to Cart Quick view Holley | sku: HLY820041-1 Sniper EFI Fab Intake Manifold GM LS1/LS2/LS6 MSRP: Now: $669.95 Add to Cart Quick view Holley | sku: HLY820042-1 Holley Sniper Fab EFI Intake Manifold GM LS1/LS2/LS6 820042-1 MSRP: $743.76 Now: $664.07 Add to Cart Quick view Holley | sku: HLY300-256 Holley GM LS Intake Manifold Split Design LS1/LS2/LS6 300-256 MSRP: $679.39 Now: $590.77 Add to Cart Recommended Quick view Holley | sku: HLY300-132BK Holley Intake Manifold Single Plane GM LS1/LS2/LS6 300-132BK MSRP: $509.11 Now: $442.70 Add to Cart Quick view Holley | sku: HLY300-132 Holley Intake Manifold Single Plane GM LS1/LS2/LS6 300-132 MSRP: $423.82 Now: $368.54 Add to Cart Quick view Holley | sku: HLY820041-1 Sniper EFI Fab Intake Manifold GM LS1/LS2/LS6 MSRP: Now: $669.95 Add to Cart Quick view Holley | sku: HLY820042-1 Holley Sniper Fab EFI Intake Manifold GM LS1/LS2/LS6 820042-1 MSRP: $743.76 Now: $664.07 Add to Cart Quick view Holley | sku: HLY300-256 Holley GM LS Intake Manifold Split Design LS1/LS2/LS6 300-256 MSRP: $679.39 Now: $590.77 Add to Cart × OK
Quick view Holley | sku: HLY820041-1 Sniper EFI Fab Intake Manifold GM LS1/LS2/LS6 MSRP: Now: $669.95 Add to Cart Quick view Holley | sku: HLY820042-1 Holley Sniper Fab EFI Intake Manifold GM LS1/LS2/LS6 820042-1 MSRP: $743.76 Now: $664.07 Add to Cart Quick view Holley | sku: HLY300-256 Holley GM LS Intake Manifold Split Design LS1/LS2/LS6 300-256 MSRP: $679.39 Now: $590.77 Add to Cart Recommended Quick view Holley | sku: HLY300-132BK Holley Intake Manifold Single Plane GM LS1/LS2/LS6 300-132BK MSRP: $509.11 Now: $442.70 Add to Cart Quick view Holley | sku: HLY300-132 Holley Intake Manifold Single Plane GM LS1/LS2/LS6 300-132 MSRP: $423.82 Now: $368.54 Add to Cart Quick view Holley | sku: HLY820041-1 Sniper EFI Fab Intake Manifold GM LS1/LS2/LS6 MSRP: Now: $669.95 Add to Cart Quick view Holley | sku: HLY820042-1 Holley Sniper Fab EFI Intake Manifold GM LS1/LS2/LS6 820042-1 MSRP: $743.76 Now: $664.07 Add to Cart Quick view Holley | sku: HLY300-256 Holley GM LS Intake Manifold Split Design LS1/LS2/LS6 300-256 MSRP: $679.39 Now: $590.77 Add to Cart × OK
Quick view Holley | sku: HLY820042-1 Holley Sniper Fab EFI Intake Manifold GM LS1/LS2/LS6 820042-1 MSRP: $743.76 Now: $664.07 Add to Cart Quick view Holley | sku: HLY300-256 Holley GM LS Intake Manifold Split Design LS1/LS2/LS6 300-256 MSRP: $679.39 Now: $590.77 Add to Cart Recommended Quick view Holley | sku: HLY300-132BK Holley Intake Manifold Single Plane GM LS1/LS2/LS6 300-132BK MSRP: $509.11 Now: $442.70 Add to Cart Quick view Holley | sku: HLY300-132 Holley Intake Manifold Single Plane GM LS1/LS2/LS6 300-132 MSRP: $423.82 Now: $368.54 Add to Cart Quick view Holley | sku: HLY820041-1 Sniper EFI Fab Intake Manifold GM LS1/LS2/LS6 MSRP: Now: $669.95 Add to Cart Quick view Holley | sku: HLY820042-1 Holley Sniper Fab EFI Intake Manifold GM LS1/LS2/LS6 820042-1 MSRP: $743.76 Now: $664.07 Add to Cart Quick view Holley | sku: HLY300-256 Holley GM LS Intake Manifold Split Design LS1/LS2/LS6 300-256 MSRP: $679.39 Now: $590.77 Add to Cart × OK
Quick view Holley | sku: HLY300-256 Holley GM LS Intake Manifold Split Design LS1/LS2/LS6 300-256 MSRP: $679.39 Now: $590.77 Add to Cart
Quick view Holley | sku: HLY300-132BK Holley Intake Manifold Single Plane GM LS1/LS2/LS6 300-132BK MSRP: $509.11 Now: $442.70 Add to Cart Quick view Holley | sku: HLY300-132 Holley Intake Manifold Single Plane GM LS1/LS2/LS6 300-132 MSRP: $423.82 Now: $368.54 Add to Cart Quick view Holley | sku: HLY820041-1 Sniper EFI Fab Intake Manifold GM LS1/LS2/LS6 MSRP: Now: $669.95 Add to Cart Quick view Holley | sku: HLY820042-1 Holley Sniper Fab EFI Intake Manifold GM LS1/LS2/LS6 820042-1 MSRP: $743.76 Now: $664.07 Add to Cart Quick view Holley | sku: HLY300-256 Holley GM LS Intake Manifold Split Design LS1/LS2/LS6 300-256 MSRP: $679.39 Now: $590.77 Add to Cart
Quick view Holley | sku: HLY300-132 Holley Intake Manifold Single Plane GM LS1/LS2/LS6 300-132 MSRP: $423.82 Now: $368.54 Add to Cart Quick view Holley | sku: HLY820041-1 Sniper EFI Fab Intake Manifold GM LS1/LS2/LS6 MSRP: Now: $669.95 Add to Cart Quick view Holley | sku: HLY820042-1 Holley Sniper Fab EFI Intake Manifold GM LS1/LS2/LS6 820042-1 MSRP: $743.76 Now: $664.07 Add to Cart Quick view Holley | sku: HLY300-256 Holley GM LS Intake Manifold Split Design LS1/LS2/LS6 300-256 MSRP: $679.39 Now: $590.77 Add to Cart
Quick view Holley | sku: HLY820041-1 Sniper EFI Fab Intake Manifold GM LS1/LS2/LS6 MSRP: Now: $669.95 Add to Cart Quick view Holley | sku: HLY820042-1 Holley Sniper Fab EFI Intake Manifold GM LS1/LS2/LS6 820042-1 MSRP: $743.76 Now: $664.07 Add to Cart Quick view Holley | sku: HLY300-256 Holley GM LS Intake Manifold Split Design LS1/LS2/LS6 300-256 MSRP: $679.39 Now: $590.77 Add to Cart
Quick view Holley | sku: HLY820042-1 Holley Sniper Fab EFI Intake Manifold GM LS1/LS2/LS6 820042-1 MSRP: $743.76 Now: $664.07 Add to Cart Quick view Holley | sku: HLY300-256 Holley GM LS Intake Manifold Split Design LS1/LS2/LS6 300-256 MSRP: $679.39 Now: $590.77 Add to Cart
Quick view Holley | sku: HLY300-256 Holley GM LS Intake Manifold Split Design LS1/LS2/LS6 300-256 MSRP: $679.39 Now: $590.77 Add to Cart