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Tapered Ring Compressor for 3.780 in. Piston Bores [Red Anodized Aluminum]
InfoVehicle Info Needed
PROFORMPART NUMBER: 778-67470

Tapered Ring Compressor for 3.780 in. Piston Bores [Red Anodized Aluminum]

$4599
ShippingShips on Nov 17, 2026
Lowest PriceLowest Price Guarantee

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Tapered Piston Ring Compressor
  • Fits 3.780 in. Piston Bores
  • Tapered Design for Even Ring Compression
  • Aluminum Construction
  • Red Anodized Finish
  • Sold Individually

    Forcing a piston past the deck by hand risks a chipped or snapped ring, especially on tight-tolerance bores. This tapered compressor sleeve is sized specifically for a 3.780 in. bore, guiding the piston in evenly so the rings stay compressed and seated all the way around during installation.

    Proform 67470 Tapered Ring Compressor Features:

    • Fits 3.780 in. piston bores
    • Tapered sleeve design compresses rings evenly for smooth piston installation
    • Machined from aluminum
    • Red anodized finish
    • Suited for use on engine blocks assembled with studs
    • Sold individually
  • Part TypePiston Ring Compressor
    BrandPROFORM
    Package Height2.5
    Package Width6.3
    Package Length9.3
    Weight0.59 PG
    Part CategoryPerformance Parts
    QuantitySold Individually
    Maximum Diameter3.780 in
    MaterialAluminum
    Part FitmentUniversal
    FinishRed Anodized
    Vendor Part Number67470
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning