WEIAND 8901621 Blower Pulley Holley Supercharger 2.5 Holley/weiand 142 144 174 177

( Brand: Weiand ), ( Manufacturer Part Number: 8901621 ), ( Type: Supercharger ), ( Drive Type: Belt Driven ), ( Features: Individual ), ( Vintage Part: Yes ), ( California Prop 65 Warning: This Product May Contain Chemicals Known To The State Of California To Cause Cancer, Birth Defects, Or Other Reproductive Harm. )

Review WEIAND Rare 2.5 Inch Blower Pulley For Holley/weiand Supercharger 142 144 174 177

The Weiand 8901621 2.5 blower pulley is an essential component for Holley and Weiand supercharger models 142, 144, 174, and 177. This pulley is designed to optimize the performance of your supercharger system by ensuring the correct rotation speed and efficient power transfer from the engine to the supercharger.

Crafted from high-quality materials, this pulley features a robust and durable design. The pulley's diameter measures 2.5 inches, making it suitable for specific supercharger applications. The pulley is also engineered with a precise belt drive design, which guarantees a reliable and consistent belt tension.

The Weiand 8901621 2.5 blower pulley is meticulously manufactured to ensure a perfect fit for Holley and Weiand superchargers. The pulley's smooth, accurate, and polished surface ensures minimal friction and noise during operation. Its precise machining also guarantees proper alignment with the engine's crankshaft pulley, contributing to optimal supercharger performance.

This pulley is an excellent choice for enthusiasts seeking to enhance the power output of their engine through the addition of a supercharger. By replacing the stock pulley with the Weiand 8901621 2.5 blower pulley, you can expect improved acceleration, increased horsepower, and enhanced overall engine performance.

The Weiand 8901621 2.5 blower pulley is an essential upgrade for any Holley or Weiand supercharger system, providing you with the peace of mind that comes from knowing you are using a high-quality, precision-engineered component. Installation is straightforward, and the pulley requires no additional modifications to your engine or supercharger setup.

Buying a Weiand 8901621 2.5 blower pulley for a Holley/Weiand supercharger (models 142, 144, 174, 177) can be a consideration for those looking to boost the performance of their engine. Here are some pros and cons to help you make an informed decision.

1. Enhanced Performance: This pulley is designed to provide improved airflow and increased horsepower by reducing the pulley size, resulting in a faster-spinning supercharger.

2. Durability: Weiand is a reputable brand known for manufacturing high-quality, heavy-duty components. This pulley is no exception, as it's made from robust materials that can withstand the demands of high-performance applications.

3. Versatility: This pulley is compatible with various Holley/Weiand supercharger models, making it a versatile option for a wide range of engines.

1. Cost: The Weiand 8901621 2.5 blower pulley is more expensive than some aftermarket alternatives. However, the premium price comes with the assurance of a reliable and durable part from a trusted brand.

2. Installation Complexity: Installing this pulley may require some mechanical expertise, as it involves removing the existing pulley and belt and installing the new one. It might be a more involved process than swapping out a standard pulley.

3. Potential Noise: A faster-spinning supercharger can generate more noise, which might be an issue for some users. However, this is a common trade-off for increased performance.

In conclusion, the Weiand 8901621 2.5 blower pulley offers significant performance improvements for engines equipped with Holley/Weiand superchargers. Its durability, versatility, and high-quality construction make it a worthwhile investment for those seeking to maximize their engine's power output. However, its higher cost and installation complexity are important considerations.

If you're looking to significantly enhance the performance of your engine and are willing to invest in a reliable, durable part from a trusted brand, then the Weiand 8901621 2.5 blower pulley is a solid choice. However, if cost or installation complexity are major concerns, you might want to consider alternative solutions or consult a professional mechanic for advice.

Details:

May also fit Similar/Small B M superchargers. Very rare New 2.5 Diameter Blower Pulley for Holley/Weiand 142 144 174 or 177 Superchargers.

part #: 8901621 price

• $250.00

specifications reppchargers:

• brand: Weiand
• mpn: 8901621
• type: Supercharger
• drive type: Belt Driven
• features: Individual
• vintage part: Yes
• california prop 65 warning: This Product May Contain Chemicals Known To The State Of California To Cause Cancer, Birth Defects, Or Other Reproductive Harm.

general reppchargers:

• Air Fuel Delivery > Turbos, Superchargers Intercoolers > Superchargers Parts
• condition: New

seller reppchargers:

• rating: 100.0%
• city: Litchfield Park, Arizona
• # reviews: 139

payments reppchargers:

• wallet: Paypal
• other
• credit card: Diners-club

shipping reppchargers:

• type: Calculated
• service: USPS Ground Advantage
• transit: 5-11 Days
• class: Standard
• carrier: USPS
• cost: $9.14

returns reppchargers:

• policy: No Returns

offer reppchargers:

• best offers: True
• started: May 25, 2026
• sold: 0
• quantity: 1
• availability: In Stock
• options: Ship-to-home

Weiand 8901621 Is Similar To:

• Weiand 671 871 1071 1471 Sbc Small Block Chevy 6-71 8-71 Blower Intake Manifold (32.1% similar) Bottom side is clearance for large valve covers. Older but nice polish job. Has pop off valve. Polished Weiand ABC small block Chevy 6-71, 8-71 blower manifold. Has had a repair on the top side and was surfaced flat after. All threads are fine...(June 10th, 2024)
• B m Weiand 144 174 177 B m 142 162 Supercharger Upper 3.75 Inch Pulley 6 Rib (32% similar) B m 6 rib 3.75 upper pulley for the 142 144 177 Weiand blowers...(June 27th, 2024)
• Weiand 7162 671 871 Blower Supercharger Single Carb Adapter Top Plate (45.6% similar) Used clean Weiand 7162 single four barrel carburetor top plate for 671 871 blower superchargers. All threads are good ready to run...(June 28th, 2024)
• B m 090127435823 Small Block Chevy 6 Rib B m Weiand 144 174 177 Supercharger Crank Pulley (27.8% similar) Specially last pic, will show you the difference on pillies I have listed. It might be for a ABC with short water pump. Decal not included. This pulley measures 6 in diameter and should work with b m 144 174 / Weiand 142 177 superchargers. Or find me on GI with the same name...(September 30th, 2024)
• B m 142 144 174 177 10-rib Weiand B m Blower Supercharger 48 Tooth 2 Inch 8mm Cog Pulley (19% similar) It use a standard 2 wide 8MM drive belt. As probably know these upper cog pulleys have been discontinued for years now and are next to impossible find. You can also use a 671 blower 8MM crank pulley as well there is huge variety of sizes available. This pulley is in perfect working order...(November 4th, 2024)
• Holley 77-174fsb-1 Rare 174 Supercharger Sbf 289 302 5.0 Weiand B m Small Block Ford Wow (31.6% similar) Varies by year. Finish: satin. Low-profile design. This roots type blower provides the flattest torque curve which translates directly into mid-range and top-end power. No centrifugal blower can compete with the holley/weiand 174 pro street small block ford motor for making serious...(December 16th, 2024)
• Weiand 9589wnd Supercharger Gasket And Seal Kit 9589 For 871 8-71 Blower 3 Lobe (36.9% similar) Sold outright and is not returnable. Weiand supercharger gasket seal kit 9589 for 8-71 3 lobe blower, for sale is a new, factory packet and kit, lobe blower. Weiand marine blowers and service parts clearing our shelves...(December 28th, 2024)
• Weiand 7134p 6-71 8-71 Supercharger Remote Thermostat Housing (34.7% similar) A signature is required on all ups orders over $750. 7134P Weiand 6-71/8-71 supercharger remote thermostat housing: housing polished finish: housing, remote thermostat;. Buyer pays return shipping...(December 31st, 2024)
• B m Holley Weiand 155272 B m 250 Blower Supercharger Input Shaft coupler New In Box (34.7% similar) They are made of steel and will fit Weiand 250 series roots-style superchargers. Features:: input shaft/couplet for marine 250 blowers kits. Bolt circle diameter on couplet 2.00. These Weiand replacement supercharger nose drive couplets are designed to keep your performing at its optimum output...(January 9th, 2025)
• Weiand 7109-54 6-71 8-71 Supercharger Blower 671 871 Pulley 54 Tooth New (37.3% similar) Weiand 6-71 8-71 supercharger blower pulley 7109-54, 54 tooth new, for sale is an new, sitting on our shelves for years, selling off all remaining Weiand, components, we no longer sell this type product. Weiand 7109-54 54 tooth for and other 6-71 / 8-71 blowers...(January 15th, 2025)
• Weiand 9593 Supercharger Gasket And Seal Kit (39.1% similar) In 1949 Weiand introduced a series of Teri-power and four 2-BARREL manifolds immediately after WWII debuted line aluminum cylinder heads for Flathead ford engines. Supercharger gasket and seal kit; for 142/144/174/177 blowers; incl. Available for a variety of Weiand superchargers, these...(January 30th, 2025)