Camshaft


R3 Race Blocks
  • 318/340 Mains
  • Siamese Bore Casting
  • Mopar Performance R3 Race Block Casting # P4532907


    R3 Race Block
  • Casting # P4532907
  • 48° Tappet Bore, Must use Race Heads
  • Deck Height: 9.025"
  • Main Caps: 4-Bolt, Center 3 Caps - Billet Steel
  • Dry Sump Oiling System Only
  • Cam Bearings Not Included.
  • Rough Bored to 4.050"
  • $2,870.99
    Estimated Ship Date: 07/28/17
    Lowest Price Guarantee

    Cam Bearings

    Mopar Performance A4 Cam Bearings Fits A4/R4 Blocks w/ W9/W9RP/P5/P5 Hemi Cylinder Heads


    A4 Cam Bearings
  • Fits A4/R4 Blocks w/ W9/W9RP/P5/P5 Hemi Cylinder Heads
  • Fits 60mm Journal on Cam
  • Roller Bearings - Set of 5 Pieces
  • $172.99
    Estimated Ship Date: 07/28/17
    FREE Shipping
    Lowest Price Guarantee

    R4 Race Blocks
  • Siamese Bore Casting
  • 2.25" Mains (302 Ford Main Bearings) - Requires Custom Crank
  • Main Caps: 4-Bolt, Center 3 Caps - Billet Steel
  • Deck Height: 8.575"
  • Dry Sump Oiling System Only
  • Cam Bearings - Not Included - Must use 60mm Roller Cam Bearings P5007361 & Custom Cam
  • Rough Bored to 4.050"


  • Cam Bearings

    Mopar Performance Roller Cam Bearing Set Material: 50mm Roller Bearings


    Roller Cam Bearing Set
  • Material: 50mm Roller Bearings
  • For SB Race Block w/ 50mm Cam
  • Use w/ Custom Race or Unground Lobe Cams 312-P5007932 / 312-P5007134
  • Fits Block 312-P4876381AB
  • Does Not Fit OEM or Blocks w/ 59º Tappet Bore
  • $149.99
    Estimated Ship Date: 07/28/17
    FREE Shipping
    Lowest Price Guarantee

    Camshaft Cores - Unground Lobe

    Mopar Performance R3/Aluminum "A" Cam Core - UGL Fits R3 Block 312-P4876381AB w/ 50mm Roller Cam Bearings & 48º Tappets


    R3/Aluminum "A" Cam Core - UGL
  • Fits R3 Block 312-P4876381AB w/ 50mm Roller Cam Bearings & 48º Tappets
  • Fits Aluminum "A" Blocks
  • Unground Lobes (Requires Custom Grind to Your Specifications)
  • 50mm Journals
  • 8620 Steel
  • $448.99
    Ships Monday
    FREE Shipping
    Lowest Price Guarantee

    Mopar Performance R4 Cam Core - UGL Fits R4 Block 312-P5007270AC


    R4 Cam Core - UGL
  • Fits R4 Block 312-P5007270AC
  • Unground Lobes (Requires Custom Grind to Your Specifications)
  • 60mm Journals
  • $349.99
    Estimated Ship Date: 07/28/17
    FREE Shipping
    Lowest Price Guarantee