Heavy-Duty Chrome Aluminum 2-Groove Water Pump & 3-Groove Crankshaft Pulley Kit - Perfect Fit for SBC Chevy 265-400 V8 (Long Water Pump LWP)

Water Pump Pulley:Finish: PolishedMaterial: AluminumGrooves: DoubleThe pulley diameter is 6 9/16".The pulley is 3" tall.The bolt pattern is 2 1/8".The center hole is 5/8".Belt Type: V-BeltHigh QualityEasy installSimple operationCrankshaft Pulley:Pulley Diameter is 6 9/16"Pulley is 2 7/8" TallBolt Pattern is 2 3/4" Center hole is 1 1/8"Belt Type: V-BeltThree GroovesMachined From Billet AluminiumThese Feature deep grooves to prevent belt from slippingPackage Includes:1x 2 Groove Water Pump Pulley1x 3 Groove Crankshaft PulleyFitment：Fits SB Chevy 265 283 305 327 350 383 400 using a Long Water Pump

• Universal Fit for 265–400 SBC Engines with Long Water Pump (LWP) : Exclusively compatible with Small Block Chevy 265/283/305/327/350/383/400 V8 engines equipped with long water pumps. Covers both classic restorations and high-performance builds, eliminating the need to cross-check multiple listings for your SBC setup.
• Premium Chrome Aluminum Construction for Durability & Style : Crafted from reinforced high-strength cast aluminum with a glossy chrome finish—resists extreme engine bay heat, vibration, and corrosion far better than cheap plastic or basic steel alternatives. Combines long-lasting reliability with a show-ready look that elevates your engine bay’s appearance.
• 2-Groove Pump + 3-Groove Crank Pulley Design for Versatile Accessory Compatibility : Precision-engineered deep V-belt grooves ensure zero belt slippage even at high RPMs. The 3-groove crankshaft pulley supports additional engine accessories (e.g., power steering pump, alternator), while the 2-groove water pump pulley maintains optimal cooling system performance—maximizing power transfer efficiency for your SBC.
• Industry-Standard Precision & Complete 2-Piece Kit ：Manufactured to stringent industry standards with advanced equipment and top-tier craftsmanship, guaranteeing balanced design and reliable fitment. Each kit includes 1 chrome aluminum 2-groove water pump pulley + 1 chrome aluminum 3-groove crankshaft pulley—a direct bolt-on solution with no modifications required for hassle-free installation.
• Rigorous Quality Testing + Pro Fitment Tip ：Every pulley undergoes strict pre-shipment testing to ensure structural integrity and performance consistency, meeting or exceeding OEM specifications. Pro Tip: Confirm your SBC engine is fitted with a long water pump (LWP) before purchase to avoid fitment issues—our support team is ready to assist with compatibility questions anytime.