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![1745501 Billet Steel Main Bearing Caps for Pontiac 421-455 [Large Journal]](https://www.jegs.com/images/mini_750/200/228/228-1745501.jpg)
Vehicle Info NeededPRWPART NUMBER: 228-1745501
1745501 Billet Steel Main Bearing Caps for Pontiac 421-455 [Large Journal]
$31506
Ships on 10/06/2026
Lowest Price GuaranteeGM
Main Bearing CapsPontiac 421-455 Large Journal 4-Bolt Dowel-Pinned Replacement or Conversion Billet Steel Construction Set of 3
PRW 1745501 Billet Steel Main Bearing Caps Features:
- Includes drill guide
- Ideal for high-horsepower engines
- Increases stability of the rotating assembly
- Eliminates cap walk
- Reduces the main bearing bore distortion
- CNC-machined 1045 low-carbon billet steel
Part TypeCrankshaft Main Bearing Cap
BrandPRW
Package Height3.5
Package Width3.5
Package Length9.5
Weight10.0 PG
Part CategoryPerformance Parts
Main Cap MaterialBillet steel
QuantitySet of 3
Mounting Hardware IncludedNo
Part FitmentSemi Universal
Package Qty1
Package TypeEA
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