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Billet Main Cap Set Chevy 454 Engine
InfoVehicle Info Needed
HOWARDS CAMSPART NUMBER: 466-H454

Billet Main Cap Set Chevy 454 Engine

$25739
ShippingShips on 09/09/2026
Lowest PriceLowest Price Guarantee

Chevy 454 Engine
Billet Center Main Cap Set
  • Chevy 454 Engine
  • Converts 2-Bolt to 4-Bolt
  • 3 Pieces

    Howards Cams H454 Features:

    Extreme Billet Chevrolet 2-Bolt to 4-Bolt 454 Main Journal Main Caps Precision CNC machined from superior quality low carbon 1020 billet material. Available as stock replacement (straight bolt) or with splayed outer bolt holes. The splayed caps feature 10 degree angled outer holes to positively reinforce and tie the block together. Main cap set consists of the center 3 caps. Front and rear caps are also available. Use together for ultimate in bottom end stress and flex management. Drill bushings included with caps requiring them. Side notches for easy removal. Proudly 100% manufactured in the U.S.A. Line boring required after installation.

      • Howards Cams Billet Main Caps are precision CNC-machined from low-carbon 1020 steel alloy. These main caps are available as straight bolt stock replacements or with splayed outer bolt holes. The splayed outer bolts are angled at 10 degrees, positively reinforcing and tying the block together. Kits are available for the three center caps, as well as separate front and rear caps where applicable. These billet main caps provide top notch bottom-end stress and flex management. Please Note: Line boring is required after installation.

      Features:

      • CNC machined 1020 billet steel construction
      • Straight bolt and splayed bolt options available
      • Complete sets provide maximum stress and flex management
      Part TypeCrankshaft Main Bearing Cap
      Product LineHowards Cams Billet Main Caps
      BrandHOWARDS CAMS
      Package Height3.4
      Package Width4.0
      Package Length12.9
      Weight11.15 PG
      Part CategoryPerformance Parts
      Part FitmentSemi Universal
      Vendor Part NumberH454
      Package Qty1
      Package TypeEA
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      Some parts are not legal for use in California or other states with similar laws / regulations
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