Made in USA
Big Block Chevy Reverse Rotation Water Pump Alternator, A/C, Water Pump, Saginaw Keyway P/S
InfoVehicle Info Needed
MARCH PERFORMANCEPART NUMBER: 655-20512

Big Block Chevy Reverse Rotation Water Pump Alternator, A/C, Water Pump, Saginaw Keyway P/S

$1,24500
ShippingShips on 09/14/2026
Lowest PriceLowest Price Guarantee

Cast Iron Reverse Rotation Water Pumps
    Big Block Chevy Reverse Rotation Water Pump
  • Alternator, A/C, Water Pump, Saginaw Keyway P/S
  • Fits 1955-57 Chevys with side Engine Mounts
  • 1967-69 Camaros
  • Belt Size: 113''

The March Big Block Chevy Deluxe Serpentine Conversion kits replace your low performance V-belts, pulleys and brackets while retaining your reverse rotation water pump. They are simple to install and eliminate belt throwing. Kits are available with performance pulleys for increase horsepower (approx. 12 h.p.) or high water flow ratios for increased cooling. They are CNC machined from solid billet 6061-T6 aluminum and feature a "No Polishing" maintenance-free clear powder coating!

Show More

Application:

  • Most Mid & Full Size Cars from the early 1950's & newer
  • Kits offered for Tri-Five Chevys & 1967-69 Camaros
  • Other Applications require Remote power Steering Kit
  • 9.8" deck height block only Kit Includes:
  • Crank pulley
  • Alternator bracket
  • Water pump pulley with nose cover
  • Alternator pulley with alternator fan and nose cover
  • Power steering kit includes power steering brackets and pulley
  • Air conditioning kit includes A/C bracket idler and A/C nose cover
  • Grade 8 mounting hardware
Part TypePulley Kit
Product LineMarch Big Block Chevy Deluxe Serpentine Conversion
BrandMARCH PERFORMANCE
Package Height11.6
Package Width12.2
Package Length17.3
Weight20.45 PG
Part CategoryPerformance Parts
Hardware IncludedYes
Idler Brackets IncludedYes
Idler/Tensioner IncludedYes
Air Conditioning Bracket IncludedYes
Crankshaft Pulley Grooves6-groove, serpentine
Alternator Pulley IncludedYes
Alternator Nose Cover IncludedYes
Water Pump Pulley GroovesNon-ribbed
Idler Pulley Grooves6-groove, serpentine
Bracket MaterialBillet aluminum
Pulley Set StylePerformance ratio
Crankshaft Nose Cover IncludedNo
Water Pump Pulley IncludedYes
Alternator Brackets IncludedYes
Power Steering Pulley AttachmentKeyway
Pulley StyleSerpentine Pulley
Pulley FinishClear powdercoated
Crankshaft Pulley IncludedYes
QuantitySold as a kit
Power Steering Brackets IncludedYes
Alternator Pulley Grooves6-groove, serpentine
Air Conditioning Pulley Grooves6-groove, serpentine
Air Conditioning Cover IncludedYes
Air Conditioning Pulley IncludedYes
Power Steering Pulley IncludedYes
Alternator Fan IncludedYes
Power Steering Pump StyleSaginaw
Power Steering Pulley Grooves5-groove, serpentine
Idler Cover IncludedYes
Part FitmentSemi Universal
Bracket FinishClear powdercoated
Pulley MaterialBillet Aluminum
Water Pump Nose Cone IncludedYes
Vendor Part Number20512
Package Qty1
Package TypeEA
No Questions
No Reviews

Items You Need

Micro v belts 113 5/8"

GATES

Micro v belts 113 5/8"

Part Number : 465-K061130
$8975
Some parts are not legal for use in California or other states with similar laws / regulations
p65 warning
Your Cart

Your shopping cart is empty!