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Rear Main Seal Adapters

Rear Main Seal Adapters

Rear Main Seal Adapters

Rear main seal adapters prevent leaks around the crankshaft seal, adding a layer of reliability to your engine’s configuration. They’re especially beneficial for adapting modern components to legacy setups. Use them with additional customization solutions for a tailored performance build.

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  • Allstar Performance Replacement P-Bolt with Nut for Rear Main Seal Adapter ALL99135

    Allstar Performance Replacement P-Bolt with Nut for Rear Main Seal Adapter ALL99135

    ALLSTAR PERFORMANCE

    $34.99
    Replacement P-Bolt and Nut Kit for Allstar Performance Rear Main Seal Adapter (ALL26125) This replacement P-Bolt and nut kit is specifically designed for the Allstar Performance Rear Main Seal Adapter (ALL26125). Constructed from steel with a black oxide...
    ALL99135
    SKU:
    ALL99135
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MFG Part #:
    ALL99135
    $34.99
    Qty in Cart: 0
    Quantity:
    Price:
    $34.99
    Subtotal:
  • Rear Main Seal Adapter 86-up Pan ALL26126

    Allstar Performance Rear Main Seal Adapter 86-up Pan ALL26126

    ALLSTAR PERFORMANCE

    $126.99
    Rear Main Seal Adapter 86-up PanRear Main Seal Adapter2 Piece Seal to 1 Piece SealSmall Block ChevyKit
    ALL26126
    SKU:
    ALL26126
    Availability:
    Ships Same Business Day
    Weight:
    1.27 LBS
    MFG Part #:
    ALL26126
    $126.99
    Qty in Cart: 0
    Quantity:
    Price:
    $126.99
    Subtotal:
  • Rear Main Seal Adapter Pre-86 Pan ALL26125

    Allstar Performance Rear Main Seal Adapter Pre-86 Pan ALL26125

    ALLSTAR PERFORMANCE

    $188.99
    Rear Main Seal Adapter Pre-86 PanRear Main Seal Adapter1 Piece Block to 2 Piece Crank1955-86 PanBillet AluminumSmall Block ChevyKit
    ALL26125
    SKU:
    ALL26125
    Availability:
    Ships Same Business Day
    Weight:
    1.19 LBS
    MFG Part #:
    ALL26125
    $188.99
    Qty in Cart: 0
    Quantity:
    Price:
    $188.99
    Subtotal:
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Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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