Power Plenum for Weber 500 including K&N cone filter + Power shroud

£255.00

Our unique Power Plenum snorkel with KN Filter & Shroud for Weber/Edelbrock 4 barrel Carburettor types. Offered here in an Aluminium Finish.

(We can also supply the 4 Barrel Weber Carburettor and manifold too, not included here, see our other listings for details or contact us.)

Ultimate 4 Barrel Carburettor Upgrade, our unique power plenum air filter with KN Filter & shroud.



A Snorkel plenum that fits all 4 barrel Weber, Edelbrock, Holly, Carter, Rochester Carburettors.

Aluminium finish Power Plenum upgrade with KN Filter & Shroud, for all 4 barrel carburettors. Here suitable for both 4WD and 2WD but more so the 4WD, as 2WD vehicles tend to have restricted bonnet clearance issues. (we do offer low profile variants should there be an issue, see our other listings for details.)

Please note: Due to the nature and finish of the product, it is hard to depict the quality condition of the power plenum available. The pictures perhaps do not do a justice for the item and if you require further pictures and information please contact us.

Power Plenum Dimensions
(all approx)
  • Diameter of Inlet size is 64mm
  • Diameter of underneath centre 130mm
  • Overall Height 88.9mm or 3.5 inches
  • Overall Diameter 254mm or 10 inches


Will this fit my vehicle?

This snorkle Power plenum is suitable for all Rover V8 engines with 4 barrel carburetors, and is almost certainly correct for all American V8's with 4 barrel Carbs fitted too.

Added with our K&N Filter & Shroud

  • We also offer a KN air filter and shroud for use with the power plenum, which is included in this listing. Please see our other listings for more information on this


LPG Option too.

Once fitted this will also allow you to run your 4 barrel carb on LPG (assuming you also purchase the LPG mixer kit and any other LPG components needed listed in our eBay shop).

This style of LPG conversion offers great gains in performance and economy. Also add to this our unique Lambda Loop LPG System and we have had over 20 miles per gallon from a 4.6 powered Range Rover Classic on LPG!


If you have any questions or queries, please contact us on 01603 891209

  • Below you can see a picture of the actual power plenum we are offering here in this listing with the aluminium finish.




  • Below you can find a library picture of a simliar style power plenum as fitted to a Range Rover P38.




FAQ Zone

  • Is it possible to Visit Rpi. for collection, further information or for parts to be fitted.
    For sure we have many customers from all over the world, that not only visit us but enjoy our unique hospitality, as well as our in-house workshop facilities that can cater for anything from major rebuilds, restorations, engine fittings, LPG conversions. As well as drop in chipping and ignition system upgrades. Holly our Engine builder (Head Chef maybe) can always find the time to show you around the world of V8 Rover engines and explain all variants and upgrades.

  • Is Your location in 'North Norfolk', a great place to visit!
    No matter where you are located in the world a visit to us and our area, whether for the day, a week or even for a weekend in itself can be very, very rewarding, We can happily offer you information and assistance for accommodation ranging from our favourite traditional eighteenth century Norfolk country house Hotel, the Norfolk Mead, http://www.norfolkmead.co.uk or Modern Hotels, Norwich central Hotels or from a chosen range of local bed and breakfast (B&B) establishments.
    We can also supply information links to ferry and airports to help, what's more as I have a deep regard for all things local to Norfolk you can find a wealth of local scenic information here, http://www.scenicnorfolk.co.uk this is a unique local web site with some content supplied by myself.

  • Whats more, Now with online 'You-Tube'. videos too.
    To help give you the real feel of all we can offer, what we can achieve and the standards we aspire too we now have a space on 'You-Tube' for your enlightenment. (http://www.youtube.com/profile?user=RPIEngineering) to afford you a unique, real time snapshot of what you can expect from us. What's more, to see, feel and genuinely experience the passion we have for what we do and what we can do for your V8.


(See our other eBay items)

If you are paying by Paypal or are located outside of the UK, please refer to payment instructions. Please also remember our prices are inclusive of EEC VAT which can be deducted from your final bid price if you have exemption, or delivery of your item is outside the EEC states.


Summary of My Selling Policies
PaymentWe accept most payment methods. Paypal is preferred, for purchases under £250.00, and we also accept all major debit/credit cards, bank to bank transfers, cheques (allowing up to 10 working days to clear), bank drafts, plus most other legitimate/reasonable methods of payment.
FeesUK Value Added Tax is included in the final price of the Item(s) purchased; however, if you reside outside the EEC, and your purchase is exported directly outside the EEC, then you will not be liable for EEC VAT at 20%. Thus this excess charge will be deducted from your parts total by dividing your purchase total price by 1.2 to remove the VAT.
Also, if you are within the EEC VAT scheme, and provide your EEC VAT registration number, then the same reduction in purchase total may apply.

Local import duties are not covered in our quotes and we advise that you check such liabilities before you place your bid if you are unsure.
Please contact/inform us if you feel you qualify for EEC VAT exemption, and, if appropriate, we will adjust your invoice to remove the EEC VAT content, plus raise appropriate export documentation if required.
ShippingWe ship/post to the UK, Europe & Worldwide (mostly by fastest surface or air mail), and include appropriate packaging - no matter how sophisticated your parcel, within our delivery/postage quotation.
Adequate insurance is always included, unless otherwise specified.
Furthermore, if you purchase multiple items, then the cumulative postage quotes will be adjusted downwards as appropriate.
DeliveryStock items are invariably shipped within 48 hours of cleared funds (normally within 24 hours or same day). All Ebay shop and auction items are assumed as being stock items (unless otherwise stated), and will be posted/shipped within this timeframe, assuming all financial transaction and delivery details have been completed.
All items purchased requiring modifications, upgrades, or for the inclusion of additional stock or non stock parts, may be subject to delay, however, you will be notified accordingly.
Refunds & ReturnsConsumers in the E.U. who buy at a fixed price (Buy it Now) have the right to cancel. To cancel, please contact us in writing or by e-mail within 7 working days after receiving the goods. You will have to return the goods to us at your own cost and risk; we will refund the purchase price and the original postage charge.
Your statutory rights are not affected.
Contact MeFeedback is the essence of a good ebayer, and we appreciate the superb feedback that has been given us already. However, due to so many transactions within our ebay shop, we have adopted a policy of returning feedback only on a weekly basis (normally every Friday).
Unfortunately however, some feedback inevitably becomes overlooked. If this is the case for you, please remind us and we will respond accordingly.

Contacting us:

Our contact email is: yabe@rpiv8.com
We will endeavour to reply to emails within 24 hours. Hours of business 9-5 Monday to Thursday, 9-4 Friday, 9-12:30 Saturday.

Our Vat number is 373 2330 72

RPi Engineering International Ltd.
Wayside Garage,
Holt Road,
Horsford.
Norwich.
NR10 3EE

Technical specifications