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PRP RB25 & RB26 2WD or 4WD Billet Block Brace

by PRP
Original price $1,228.50 - Original price $1,391.25
Original price
$1,228.50 - $1,391.25
Current price $1,228.50
SKU PRP RB25/26 Block Brace-1
Color: Black


  • RB26 or any OEM 4WD RB Block select PREC26P-4WD
  • RB26 and have removed and welded the OEM RB26 diff housing off the sump to make it 2WD select PREC26P-2WD
  • RB26 with RB25 2WD Sump Dry Sump Setup select PREC30D-2WD
  • RB25 with OEM RB25 2WD Wet Sump Setup select  PREC30D-2WD
  • RB25 with OEM RB26 4WD Sump cut to be used as a 2WD Wet Sump select PREC30W-4WD
  • RB25 with OEM RB26 2WD Dry Sump select PREC30D-4WD

This Platinum Racing Engine Cradle (PREC) has been constructed from hi-grade aircraft quality billet aluminum and the product has several features that benefits

Over and above converting your 2wd RB/RD engine block to 4wd. With the kit provided and after a few modifications, a standard GTR type sump will bolt straight on.
The Platinum Brace overlays and supports the factory main cap cradle, and main
Main Caps cease walking! Have you ever noticed shiny mating surfaces of your block and main caps? The mains are walking and moving enough to polish the mating surfaces. The platinum block brace ties in the OEM cap cradle and stops the walk
The platinum cradle is therefore cost-effective as it also does NOT utilize the standard main bolts as a place of attachment requiring spacers etc. The standard main girdle is a great design and should be retained as a one-piece item, then strengthened with the PREC, as main bearing cap walk, or movement may be experienced otherwise.
There is also a valid argument for the use of a similar metal when it comes to the main caps and expansion/contraction of dissimilar metals when you consider a billet cap, different metals expand at different rates, Cast Iron blocks should have cast iron main caps.
Aftermarket diffs crack blocks! It's a fact, the Platinum Block brace will not only stop block twist but stops the diff snapping the block under load, energy is dissipated through your 40mm thick integrated and webbed brace, blocks cracking and snapping become a thing of the past!

 Custom Color PREC30W-4WD +$200


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Domestic Shipping Policy

Shipment processing time

All orders are processed within 1-2 business days. Orders are not shipped or delivered on weekends or holidays. If we are experiencing a high volume of orders, shipments may be delayed by a few days. Back order items are subject to special shipping times. If there will be a significant delay in shipment of your order, we will contact you via email or telephone.

Shipping rates & delivery estimates

Standard Shipping is 2-5 days.

We offer free ground shipping for orders over $200 within the United States.

Shipping charges for your order will be calculated and displayed at checkout.

*Overnight delivery is only available for orders with delivery addresses within the continental United States.

**Delivery delays can occasionally occur

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You will receive a Shipment Confirmation email once your order has shipped containing your tracking number(s). The tracking number will be active within 24 hours.

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RAV Performance is not responsible for any customs and taxes applied to your order. All fees imposed during or after shipping are the responsibility of the customer (tariffs, taxes, etc.).


RAV Performance​ is not liable for any products damaged or lost during shipping. If you received your order damaged, please contact the shipment carrier to file a claim. Please save all packaging materials and damaged goods before filing a claim.

International Shipping Policy

We currently do offer international shipping within some countries. Please contact us by email or phone to place an order.