ULTRA light Aluminum construction for 43% weight savings ULTRA shiny Tumble polished finish holds shine longer ULTRA strong Billet metering blocks & base plates ULTRA cool Blue anodized billet aluminum metering blocks and base plate ULTRA easy Built in sight window for simple float adjustments ULTRA fast High-performance fuel curves
Dart Block Features:
- Siamesed Cylinders: Standard 4.125” cylinders. Extra-thick walls prevent cracking and produce excellent ring seal.
- Scalloped Water Jackets: Increase coolant flow around cylinder barrels to prevent detonation, extend engine life and produce consistent cylinder temperatures.
- Steel Four-Bolt Main Bearing Caps: Sportsman Blocks have three 4-bolt center caps with splayed outer bolts for maximum strength, Race Blocks feature all five 4-bolt mains, rear cap uses standard 1-piece seal.
- Stock Components: Provisions for stock motor mounts, accessory drives, smog pumps, starter brackets, oil pans and pumps.
- Upgraded Oiling System: Has a complete stock-type system plus a low-tension priority main oiling system with front and rear external oil pump feeds.
- Dual Crossovers: Allow oil flow to be metered with restrictors for roller lifter cams and/or roller rocker arms to reduce oil flow and windage.
- Reinforced Head Bolt Bosses: Blind tapped to prevent leaks and produce accurate torque readings. Extra-thick decks prevent head gasket leaks.
- Standard Camshaft and Cam Drive: Standard cam and cam drive can be used. Lifter valley of Sportsman Blocks have provisions for production hydraulic roller lifters.
- Precision CNC Machining: Ensures consistent high quality and eliminates expensive ”blueprinting”.