Build Sheet of...
Merlin World Class Street Engines

Block: Merlin III cast iron, Merlin X aluminum
Crankshaft: Eagle or Scat 4340 forged crankshaft
Balancer: ProStreet internal
Connecting Rods: Eagle H-beam or Scat 4340 L-19 bolts
Pistons: Mahle coated
Piston Rings: Total Seal
Compression: 9.5:1
Bore/Stroke: 509 c.i.d. = 4.500" x 4.000", 540 c.i.d. = 4.500" x 4.250"
Bearings: Clevite H-bearings
Camshaft: Hardcore hydraulic
Timing Chain: Hardcore double roller
Cylinder Heads: World Merlin (cast iron or aluminum)
Valves: Manley Stainless (2.300" intake, 1.880" exhaust)
Valve Springs: Hardcore
Retainers: Hardcore
Valve Locks: Hardcore
Valve Seals: Hardcore
Rocker Arm Studs: Hardcore
Pushrods: Hardcore 1 pc., .080" wall
Pushrod Guide Plates: Hardcore
Rocker Arms: Scorpion aluminum rollers
Oil Pan: Moroso
Oil Pump: Melling
Assembly Components: Stainless hardware
Intake Manifold: Merlin single plane
Carburetor: Hardcore 870 cfm (4150 type)
Distributor: MSD
Fuel: Pump gas