Best Sbc Short Water Pump Pulley Kit for SBC V-Belt Builds

#1 · Best Overall

1. Speedway Motors 1:1 Combo

• Weight: 5 lb

Best for: 1:1 crate-engine cooling drive.

Why it ranks #1: Double-groove CNC aluminum pulleys, deep V-grooves, matched belts, and a listed 1:1 ratio suit short-pump SBC builds seeking cooling.

A 1:1 drive ratio makes this Speedway Motors combo the choice for builders seeking maximum cooling with minimal power loss, as described in the listing. Double-groove CNC-machined aluminum pulleys and matched belts suit 602 and 604 crate engines, with other short-pump SBC applications also specified.

The 1:1 ratio is intended to deliver maximum cooling with minimal power loss, and the listing targets performance engines operating below 7,000 RPM. CNC-machined aluminum pulleys use deep V-grooves to help prevent belt slippage, supporting consistent belt engagement. Double grooves at both pulleys give the setup room for two belts, while included matched belts simplify assembly. Speedway Motors identifies 602 and 604 crate engines as a strong match and also lists other SBC applications using a short-style water pump.

Skip it if you need a 20% pump-speed reduction above 6,500 RPM; the Speedway Motors 91015460 kit is specified for that race use.

This fits 602 or 604 crate-engine builders and other short-pump SBC owners seeking a 1:1 drive below 7,000 RPM. Its ratio is the key fit consideration if your engine setup calls for reduced pump speed.

Listed on Amazon as: Speedway Motors 1:1 Pulley Combo for SBC Short Water Pump, CNC Machined Aluminum Double-Groove Crank and Water Pump Pulleys with Matched Belts for 602/604 Crate Engines

#2 · Reduced-Speed Drive

2. Speedway Motors 20% Set

• Weight: 5 lb

Best for: High-rpm race belt drive.

Why it ranks #2: Its matched pair of heavy-duty belts and double-groove pulleys come with a stated 20% water-pump speed reduction for high-RPM use.

A 20% water-pump speed reduction gives this Speedway Motors kit a specific race-engine focus: reducing pump and fan speed to limit parasitic losses. Its double-groove aluminum pulleys also leave room for additional V-belt accessories, while the included matched heavy-duty belts spare buyers a separate belt-length search.

The 20% reduction in water-pump speed is intended for circle-track and other race engines operating above 6,500 RPM, where the listing connects slower pump and fan speed with reduced parasitic losses. CNC-machined aluminum pulleys have deep grooves to help keep belts from being thrown. Double grooves at the pump allow additional accessories such as power steering or an alternator, and the matched pair of heavy-duty belts simplifies completing the drive setup.

Skip it if you prioritize a 1:1 cooling drive below 7,000 RPM; the Speedway Motors 1:1 Pulley Combo (91015464) is specified for that setup.

This suits circle-track builders and race-engine owners seeking reduced pump and fan speed above 6,500 RPM. Its 20% reduction is the key boundary: choose a different ratio if your cooling setup calls for 1:1 operation.

Listed on Amazon as: Small Block Chevy Pulley Kit, SBC Pulley Set, Short Water Pump Pulley

#3 · Single-Pump Groove

3. Speedway Motors Aluminum Set

• Weight: 4 lb

Best for: Period SBC single-pump groove.

Why it ranks #3: This cast-aluminum set is explicitly for 1955–1968 short-pump SBCs and pairs one water-pump groove with two crank grooves.

A single-groove water-pump pulley paired with a double-groove crank pulley gives this Speedway Motors set a useful split for one or two V-belt accessories. Its stated application is 1955–1968 Small Block Chevy engines with short-style pumps, focusing it on traditional V-belt layouts rather than a universal pulley arrangement.

The single groove at the water pump keeps the upper pulley configured for one belt, while the double-groove crank pulley can support one or two V-belt accessories as needed. That upper-to-lower difference makes belt routing an important part of the setup decision. Speedway Motors specifies short-style water pumps and 1955–1968 SBC applications, so the fit description is notably bounded. Cast aluminum construction offers a lighter alternative to heavier steel pulleys, according to the listing.

Skip it if you need two water-pump belt tracks; the WINNEWFUTURE 486-SWP kit has a double-groove pump pulley.

This is a fit for builders using a 1955–1968 SBC short-pump setup with one pump belt and up to two crank-side accessory belts. Make sure that uneven groove count matches your intended routing.

Listed on Amazon as: Speedway Motors SBC Aluminum Pulley Set for Short Water Pump, Single Groove Water Pump & Double Groove Crank Pulley Kit for 1955–1968 SBC V-Belt Applications

#4 · Three-Groove Crank

4. WINNEWFUTURE Aluminum Kit

Best for: Three-belt accessory setups.

Why it ranks #4: Its aluminum kit combines a double-groove water-pump pulley with a triple-groove crank pulley for 1955–1968 short-pump SBCs.

A three-groove crank pulley paired with a double-groove water-pump pulley gives this WINNEWFUTURE kit capacity for three crank V-belts and two water-pump V-belts. Its short-pump application is specified for 1955–1968 Small Block Chevy engines, making it a focused option for period-style SBC accessory arrangements.

The cast aluminum pulleys provide a matched upper-and-lower set, while the two-groove and three-groove arrangement accommodates different belt counts at the pump and crank. That distinction matters when laying out accessories: the pump has two belt tracks, and the crank has three. The stated 1955–1968 fit range and short-style water-pump requirement narrow the application. The listing also notes that one or both pulleys may need shimming, so installation can involve alignment adjustment.

Skip it if you need matching two-groove pulleys at both ends; the Speedway Motors 1:1 combo (91015464) has double-groove crank and water-pump pulleys.

Choose this set for a 1955–1968 SBC with a short-style pump and an accessory layout requiring three crank grooves. Account for possible shimming during setup, and check that the different upper and lower groove counts suit your belt routing.

Listed on Amazon as: Chrome Aluminum Upper Water Pump (2 Groove) & Crankshaft (3 Groove) Pulley Kit Set Compatible with SBC Chevy SBC 327 350 V8 engines for Lower Short Water Pump 1955-1968

#5 · Satin Black Finish

5. Speedway Motors Black Set

• Weight: 5 lb

Best for: Three-groove black pulley layout.

Why it ranks #5: The short-pump SBC steel set offers a two-groove upper pulley and added crank pulley for a listed three-groove setup.

A two-groove water-pump pulley paired with two crank pulleys creates this Speedway Motors set’s three-groove crank arrangement. Satin black steel gives the components a coordinated appearance, while the short-style water-pump application targets Small Block Chevy engines using V-belts and needing multiple crank-side tracks.

The kit includes a matching two-groove water-pump pulley, a two-groove crank pulley, and a single-groove crank pulley, combining the crank pieces into a three-groove setup. That arrangement gives belt routing additional tracks while retaining two at the pump. Speedway Motors specifies short-style SBC water pumps, focusing fit on that pump configuration. Steel construction and a satin black finish provide a consistent material and appearance across the set, with the finish also helping distinguish it from chrome options.

Skip it if you need a single three-groove crank pulley; the WINNEWFUTURE 486-SWP kit includes one three-groove crank pulley.

Choose this for a short-pump Small Block Chevy build needing three crank-side grooves and a satin black steel look. Account for the two-piece crank-pulley arrangement when planning installation and belt routing.

Listed on Amazon as: Speedway Motors SBC Black Pulley Set for Short Water Pump, Satin Black Steel V-Belt Kit with 2-Groove Upper Pulley and 3-Groove Crank Pulley Combination, Lightweight Matching Set

#6

6. WINNEWFUTURE Black Steel Kit

• Weight: 3.5 lb

Best for: Measured dual-belt SBC setup.

Why it ranks #6: It is listed for 283–350 SBC engines with a short-style pump and includes double-groove water-pump and crank pulleys.

A stated 7-3/8-inch crank-pulley diameter and 1.35-inch mounted length give this WINNEWFUTURE kit useful measurements for planning a short-pump SBC drive. Both pulleys have two grooves, supporting a two-belt arrangement, and the listed engine range covers 283–350 small-block Chevy V8 applications.

The double-groove water-pump and crank pulleys provide two V-belt tracks at each end, which suits a layout routing two belts across the drive. WINNEWFUTURE lists compatibility with 283–350 small-block V8 engines and short-style water pumps, helping narrow the intended application. The crank pulley’s 7-3/8-inch diameter, 1.35-inch mounted length, and three-on-2.80-inch bolt pattern provide concrete planning details. The listing explains mounted length as measured from the pulley mounting face toward the front of the vehicle.

Skip it if you require three crank grooves; the WINNEWFUTURE 486-SWP set has a three-groove crank pulley.

Choose this for a 283–350 SBC with a short-style pump and a two-belt layout, especially when the listed crank measurements help with planning. Its two-groove configuration is the boundary for accessory routing.

Listed on Amazon as: Black Steel Upper Water Pump (2 Groove) & Crankshaft (2 Groove) Pulley Kit Set Compatible with SBC Chevy SBC 283 305 327 350 V8 Small Block for Short SWP Water Pump Crank

#7

7. BestParts Steel Kit

Best for: Satin-finish steel dual belts.

Why it ranks #7: The thick-gauge steel kit includes two double-groove pulleys and is listed for Small Block Chevy engines using a short water pump.

A satin steel finish and double-groove layout at both pulleys give the BestParts kit a clear place in short-pump SBC builds needing two belt tracks. Its stated compatibility covers Small Block Chevy and GM motors with short water pumps, and the listing identifies thick-gauge steel construction.

Double grooves on the water-pump and crank pulleys provide two belt tracks at each end, supporting a dual-belt accessory arrangement. The short-water-pump compatibility statement focuses the set on the intended pump style rather than a long-pump application. BestParts describes thick-gauge steel construction and a satin steel finish, which gives builders material and appearance details for matching a project. The listing calls it a direct replacement, but does not provide pulley dimensions, so planning must rely on the fit information supplied.

Skip it if you need stated pulley diameters for layout planning; the Tiny Force chrome set lists diameters for both pulleys.

Consider this for a short-water-pump Small Block Chevy or GM build requiring two grooves on each pulley and a satin steel appearance. Since dimensions are not listed, it offers less measurement detail for layout planning.

Listed on Amazon as: BestParts Chrome Steel 2-Groove Water Pump Pulley and 2-Groove Pump Crank Pulley Kit Compatible with Small Block Chevy SBC 283-350 V8 Engines with Short Water Pump

#8

8. Tiny Force Chrome Kit

• Weight: 3.6 lb

Best for: Chrome double-groove steel set.

Why it ranks #8: This short-pump SBC kit includes double-groove steel pulleys and lists a 6-3/8-inch water-pump pulley and 7-3/8-inch crank pulley.

Billet-steel construction and chrome finish distinguish this Tiny Force kit, which pairs double-groove pulleys at the water pump and crank. The listing specifies SBC 283–350 V8 engines and other GM motors with a short water pump, giving short-pump owners a defined application and two belt tracks at each pulley.

Two grooves on both the water-pump and crank pulleys support a paired-belt layout without the differing groove counts found in some sets. The specified 7-3/8-inch crank-pulley diameter gives a concrete dimension for planning the lower drive, while the listed 6-3/8-inch water-pump pulley diameter helps with the upper layout. The kit is described as steel with a chrome finish and is listed for SBC 283–350 V8 engines and GM motors using a short water pump.

Skip it if you need a three-groove crank pulley; the WINNEWFUTURE 486-SWP kit provides three crank grooves.

This suits a short-water-pump SBC owner seeking chrome-finished steel pulleys with two belt tracks at both ends. Use the listed diameters when planning the drive, and look elsewhere if the crank needs more grooves.

Listed on Amazon as: Chrome 2Groove Water Pump Pulley 2Groove Water Pump Crank Pulley

#9

9. Pirate Mfg Single-Groove Kit

• Weight: 3 lb

Best for: Single-belt chrome restoration.

Why it ranks #9: The chrome steel kit lists a 7-inch water-pump pulley and 6-5/8-inch crank pulley, but excludes some early engines and applications.

Chrome steel construction and a single-groove layout make this Pirate Mfg set a targeted choice for a short-water-pump SBC with a one-belt arrangement. The listed 7-inch water-pump pulley and 6-5/8-inch crank pulley provide concrete dimensions for planning the drive, while the fit exclusions identify several engines and pumps it will not serve.

The 7-inch water-pump pulley measures 2-3/4 inches from front to back, giving builders a stated depth to consider when laying out the pump drive. Its matching single-groove crank pulley measures 6-5/8 inches in diameter, keeping the kit focused on a one-groove arrangement rather than multiple accessory belts. The chrome steel construction supplies the specified finish and material. The listing excludes early riveted-pulley 265–283 engines, Corvette water pumps, and early stock GM trucks.

Skip it if you need two or more belt tracks; the Speedway Motors 91015460 kit has double-groove pulleys and includes matched belts.

Consider this for a Chevy small-block with a short water pump and a single-belt drive, using the listed pulley dimensions in your layout. Avoid it for early riveted pulleys, Corvette pumps, or early stock GM trucks.

Listed on Amazon as: Chrome Steel 1 Groove Pulley Kit, Compatible with Chevy SB Short Water Pump 283 327 350 V8

#10

10. Prefer Warehouse Single-Groove Kit

Best for: Single-groove chrome drive.

Why it ranks #10: It lists one-groove pulleys and short-pump SBC compatibility, but its description also refers to a high-volume water pump rather than a clear kit detail.

A one-groove water-pump pulley and one-groove crank pulley make this Prefer Warehouse kit a focused option for a single-belt short-pump SBC setup. The listing gives a 7-inch pump-pulley diameter, 2-3/4-inch depth, and 6-5/8-inch crank-pulley diameter for planning the drive.

The single-groove configuration at both pulleys keeps the kit aimed at one-belt routing rather than multi-accessory arrangements. The water-pump pulley’s stated 7-inch diameter, 2-3/4-inch front-to-back depth, and 5/8-inch pilot hole provide specific dimensions for the upper drive. The crank pulley is listed at 6-5/8 inches in diameter. The description specifies short-water-pump compatibility for small-block Chevy and GM motors; the supplied material details are inconsistent, so the listing’s chrome finish is clearer than its construction material.

Skip it if you need multiple belt tracks; the Speedway Motors 91015460 kit includes double-groove pulleys and matched belts.

This may suit a short-water-pump small-block Chevy or GM build with a single belt, especially when the listed pump dimensions aid planning. The material description conflicts, so buyers prioritizing material certainty should choose accordingly.

Listed on Amazon as: Chrome Steel 1 Groove Water Pump Pulley and 1 Groove Crank Pulley Kit Compatible with Small Block Chevy SBC 350 with Short Water Pump Engines