SKU: 62165421608

PRP RD28/RB30 Dry Sump and RB25 Wet Sump Block Brace

Sale price$1176.47 Regular price$1307.19
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Shipping Estimate
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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For Your Every Summer RSVP, with Code: SUMMER15

Description

PRP RD28/RB30 Dry Sump and RB25 Wet Sump Block BraceThe Platinum Racing Engine Cradle (PREC) has been constructed from hi grade aircraft quality billet aluminum and the product has several features that benefit. Over and above the option of 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 but will perfectly suite your 2wd application in your current build. The Platinum Brace overlays and supports the

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

Over and above the option of 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 but will perfectly suite your 2wd application in your current build.

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 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, the harder the cap, the less shock is absorbed, the more detonation becomes critical as it has no place to go but into the rods.

We recommend this system up to 1000wheel HP, then our integrated main cap brace over 1000 hp.

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!

The bolt kit is included with the brace however the APR upgrade kit is extra if it is required 

*PLEASE NOTE: 1/2 inch ARP upgrade, requires block machining for fitment.

Any questions please ask.  

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 62165421608

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Amazon Customer
Massapequa, US
★★★★★ 1
Avoid. Very thick
Color: Black/Red, Size: Large
Avoid. This is a thick shirt. Can’t wear during summer
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Reviewed in the United States on November 21, 2025
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D. E. Washington
Lexington, US
★★★★★ 5
Nice shirt
Color: Blue/White, Size: X-Large
Nice shirt
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Reviewed in the United States on April 16, 2026
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Erick L.
Grantham, US
★★★★★ 5
Size up
Color: Teal01, Size: XX-Large
Great color, nice material, I’m usually buy xl but this shirt in 2xl fit terrific. It’s not loose either but just snug enough to look good
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Reviewed in the United States on May 25, 2026
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Nitram
Draper, US
★★★★★ 5
Quality material and perfect fit
Color: Teal01, Size: 4X-Large
Excellent material, soft and stretchy, makes me seem slimmer; great color choices and breathable fabric for warm weather.
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Reviewed in the United States on April 25, 2026
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Tony Manns Sr
Chelsea, US
★★★★★ 4
Good shirt good wicking
Color: Blue, Size: Medium
As advertised good short for wicking
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Reviewed in the United States on June 3, 2026

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