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Mopar Performance A8 Aluminum Blocks & Components


Mopar Performance
Mopar Performance A8 Aluminum Blocks & Components

Product images may differ from actual product appearance.

Normally used in 410ci Sprint Cars and Dirt Late Models, the Mopar A8 is an aluminum small block racing engine. It must be used with a dry sump oiling system and the gear drive systems shown below.

A8 Aluminum Block Features
  • Full Bell-Housing
  • Siamese Bore Casting, 318/340 Mains
  • Ductile Iron Cylinder Sleeves with 4.120" Rough Bore
  • 4-Bolt Billet Steel Main Caps (Center 3-Caps)


  • 27 Products
    A8 Aluminum Blocks

    312-P5007905AB
    A8 Aluminum Engine Block
  • Fits W9 or W9RP Cylinder Heads
  • Deck Height: 9.100"
  • 2.125" Cam
  • $69.99
    $7,649.99
    Order Today Ships 10/07/14

    312-P5007909AB
    A8 Aluminum Engine Block
  • Fits W9 or W9RP Cylinder Heads
  • Deck Height: 9.435"
  • 2.125" Cam
  • $69.99
    $8,342.99
    Order Today Ships 10/07/14

    312-P5153378
    A8 Aluminum Engine Block
  • Fits W9 or W9RP Cylinder Heads
  • Deck Height: 9.015"
  • 2.125" Cam
  • $69.99
    $7,732.99
    Order Today Ships 10/07/14

    312-P5155076
    A8 Aluminum Engine Block
  • Fits W9 or W9RP Cylinder Heads
  • Deck Height: 9.015"
  • 60mm Cam
  • $69.99
    $9,115.23
    Order Today Ships 10/07/14
    Block Hardware

    312-P4510810
    Rear Cam Plate
  • w/o Hole for Cam Drive - Dirt Late Model
  • $94.99
    Order Today Ships 10/07/14

    312-P5153379
    A8 Block Hardware Kit
  • Includes Dowel, Plugs, Rear Cam Plate, Oil Feed & Scavenge Tubes, Oil Cross-Over Line, Fittings, Distributor Bushing, O-Rings & Fasteners
  • $358.99
    Order Today Ships 10/07/14
    Head Studs

    312-P4876757AB
    A4/A8 Head Stud Kit
  • Fits A4/A8 Blocks w/ W9 Cylinder Heads
  • Fits Two Cylinder Heads
  • $457.99
    Order Today Ships 10/07/14

    312-P5007912
    A4/A8 Head Stud Kit
  • Fits A4/A8 Blocks w/ W9RP Cylinder Heads
  • Fits Two Cylinder Heads
  • $1,144.99
    Order Today Ships 10/07/14
    Cam Bearings

    312-P5007911
    A8 Cam Bearings
  • Fits A8 Blocks w/ 2.125" Cam
  • Roller Bearings - Set of 5 Pieces
  • $146.99
    Order Today Ships 10/07/14

    312-P5153324
    A8 Cam Bearings
  • Fits A8 Blocks w/ 60mm Cam
  • Roller Bearings - Set of 5 Pieces
  • $168.99
    Order Today Ships 10/07/14
    Camshaft Cores - Unground Lobe
      312-P5007906
    A8 Cam Core - UGL
  • Fits A8 Blocks w/ 2.125" Cam
  • Unground Lobes (Requires Custom Grind to Your Specifications)
  • 2.125" Journals
  • $454.99
    Order Today Ships 10/07/14
      312-P5153305
    A8 Camshaft Core - UGL
  • Fits A8 Blocks w/ 60mm Cam
  • Unground Lobes (Requires Custom Grind to Your Specifications)
  • 60mm Journals
  • $477.99
    Order Today Ships 10/07/14
    Crankshafts

    312-P5007903
    Billet Crankshaft
  • Billet 4340 Steel
  • 3.80" Stroke
  • 318/340 Main Journals
  • 2.000" Rod Journals (Use w/ SBC Small Journal Rod Bearings)
  • 6-Bolt GM Rear Flange (Fits Standard Sprint Car U-Joint)
  • $5,191.99
    Order Today Ships 10/07/14
    Cylinder Sleeves

    312-P5007788
    Ductile Iron Cylinder Sleeve
  • 4.355" OD
  • 4.120" ID - Rough Bore
  • 5.700" Length
  • Fits A4 & A8 Engine Blocks
  • 1/pkg
  • $99.99
    Order Today Ships 10/07/14

    312-P4510317AB
    Ductile Iron Cylinder Sleeve
  • 4.355" OD
  • 4.120" ID - Rough Bore
  • 6.000" Length
  • Fits A8 Engine Blocks
  • 1/pkg
  • $104.99
    Order Today Ships 10/07/14

    312-P4510316
    Ductile Iron Cylinder Sleeve
  • 4.400" OD
  • 4.120" ID - Rough Bore
  • 5.600" Length
  • Fits Early A8 Engine Blocks
  • 1/pkg
  • $166.99
    Order Today Ships 10/07/14
    Gear Drives & Service Parts

    312-P5007853
    Replacement Cam Hub & Hardware
  • Fits All A4/A8/Aluminum "A" Blocks
  • $247.99
    Order Today Ships 10/07/14

    312-P5007908
    Gear Drive Package
  • Fits All A8 Blocks
  • Includes Gear Set, Timing Cover, Cam Hub, Seal Retainer & Hardware
  • $1,541.99
    Order Today Ships 10/07/14

    312-P5153457
    Replacement Gear Set
  • Fits All A4/A8/Aluminum "A" Blocks
  • $565.99
    Order Today Ships 10/07/14

    312-P5153458
    Replacement Idler Set
  • Fits All A4/A8/Aluminum "A" Blocks
  • Includes Idler Shaft, Bearing, 2 Spacers, 3 Screws & Snap Ring
  • $393.99
    Order Today Ships 10/07/14

    312-P5153460
    Replacement Timing Cover
  • Fits All A8 Blocks
  • $613.99
    Order Today Ships 10/07/14

    312-P5153462
    Replacement Water Pump Drive
  • Fits All A8/Aluminum "A" Blocks
  • Use with Crank Driven Water Pump
  • $196.99
    Order Today Ships 10/07/14

    312-P5153463
    Replacement Cam Drive
  • Fits All A4/A8/Aluminum "A" Blocks
  • $235.99
    Order Today Ships 10/07/14

    312-P5153464
    Replacement Damper Seal Mount
  • Fits A4/Aluminum "A" Blocks
  • $168.99
    Order Today Ships 10/07/14

    312-P5153465
    Replacement Cam Cover
  • Fits All A4/A8/Aluminum "A" Blocks
  • $196.99
    Order Today Ships 10/07/14

    312-P5153466
    Replacement Water Pump Mount
  • Fits All A8/Aluminum "A" Blocks
  • Use with Crank Driven Water Pump
  • $168.99
    Order Today Ships 10/07/14
    Engine Build-Up Manuals

    312-P5007520AB
    Engine Build-Up Manual
  • Covers Mopar 410 Sprint Car Engines
  • Covers Mopar Dirt Late Model Engines
  • $40.99
    Order Today Ships 10/07/14

    27 Products