Special order – Usually takes 2-3 weeks – Click here for more information!
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What does the phrase 'Will be special ordered for you' entail?
This indicates that the product is not currently stocked in our warehouse. We procure 'Special Order' items directly from the supplier upon receiving your order. Typically, we do not maintain inventory for these items.
'Special Order' products may either be shipped directly from the supplier or routed through our facilities before reaching you. The available shipping options will be presented during the checkout process.
Once you place an order for a Special Order item, we will specially order it for you, and there is a restocking fee of up to 15% depending on the item in case of cancellations.
As Roco 4x4, we commit to providing updates on your order within a maximum of 2 business days, offering an estimated time of arrival (ETA) for the item. In the event that the item is discontinued, we will promptly notify you.
Cylinder Head Specifications: Combustion chamber volume: 65cc; Intake runner volume: 212cc; Exhaust runner volume: 76cc; Intake valve diameter: 2.02"; Exhaust valve diameter: 1.57"; Valve stem diameter: 8mm; Valve guides: Manganese steel; Deck thickness: 5/8"; Valve spring diameter: 1.55" / 1.30"; Valve spring maximum lift: .600"; Rocker stud: N/A; Guideplate: N/A; Pushrod diameter: 5/16"; Valve angle: 15°; Exhaust port location: Stock; Spark plug fitment: 14mm x .750 reach, gasket seat * Designed for 1997 & later GEN 3 & 4 LS1/LS2 Chevy engines including 4.8L, 5.3L, 5.7L & 6.0L. All E-CNC Cylinder Heads feature fully CNC'd intake ports, combustion chambers and exhaust ports for improved air-flow. Dyno tests proved these heads are capable of 457 hp & 438 ft-lbs. of torque. High-quality conical beehive springs are secured with steel retainers and valve locks for performance up to .600" valve lift. Match with any one of Edelbrock's LS series intake manifolds and camshafts for a dyno-proven performance combination. Rocker bolt kit #8597 includes 8 rocker bolts that are shorter than stock to prevent the bolts from protruding into the intake ports. E-CNC 215 head is 50-state street legal. * Match with Edelbrock head gasket sets. IMPORTANT NOTES: E-CNC heads feature fully CNC’d intake ports, combustion chambers and exhaust ports for improved air-flow. Dyno tests proved these heads are capable of 457 hp & 438 ft-lbs. of torque. Includes high-quality conical beehive springs secured with steel retainers and valve locks for up to .600” valve lift. Rocker bolt kit #8597 includes 8 rocker bolts that are shorter than stock to prevent the bolts from protruding into the intake ports. Deck thickness: 5/8", pushrod diameter: 5/16".
