Holley EFI 300-684 Holley LS3 Lo-Ram Manifold Kit Dual Injector Front Feed Satin for Sale


When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

Price: $455.68

Holley EFI 300-684 Holley Ultra Lo-Ram Manifold Kit Dual Injector- Satin - GM LS3/L92

Ultra Lo-Ram Manifold Kit- Dual Injector with Burst Panel Flange;Available with single or dual injector provisions and a burst panel flange, the LS3 Lo-Ram intake manifold is designed for boosted combinations with hood clearance in mind. The Holley LS3 Ultra Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS3/L92 cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Lo-Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm depending on the application. The front entry plenum flange has a 105 mm opening to work with throttle body part number 112-581 or similar models. The base intake manifold is designed with a lower overall height to fit under a stock or mildly modified hood in the front entry configuration. The LS3 Lo-Ram is constructed to provide a very low profile modular intake manifold suitable for fabrication of special throttle body adapters or inlet ducts for custom installations. Available with single or dual injector provisions and a burst panel flange options. The fuel rail kits come with two sets of brackets. A set for long (usually standard length) fuel injectors and a set for short (such as Pico, or LS7) fuel injectors.;

General Policies

Payment Method

  • We gladly accept PayPal and All Major Credit Cards.

Warranty & Return Policy

  • Holley Performance Products warrants new products to be free from defects in material and workmanship for a period of 90 days from date of purchase.
  • Holley Performance Products Limited Warranty specifically does not apply to products, which have been (a) modified or altered in any way; (b) subjected to adverse conditions, such as misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water, corrosion, or faulty repair; or (c) used in other than those applications recommended by Holley Performance Products. Holley Performance Products also does not warrant, and disclaims all liabilityfor products used in racing activities and/or applications other than those specifically recommended in the current brand catalog.
  • Buyer pays return shipping

Shipping & Tracking

  • Please see the “Shipping and Payment” tab
  • We ship all US orders via United Parcel Service (UPS Ground)
  • A signature is required on all UPS orders over $750
  • Tracking information will be sent via email after your package ships (you must supply a valid email address during checkout)
  • We ship within 1 business day upon receipt of payment
  • We do not ship to APO/FPO or US Post Office Box addresses
  • We ship internationally thru United States Postal Service (USPS) Express Mail International; allow extra time for international shipments
  • We can not ship as a "GIFT" or ship anything internationally with changes to the invoice

Customer Service & Feedback

  • We strive to answer questions submitted thru eBay’s message system within 1 business day
  • Ifyou have a technical question about your purchase, please call our Tech Services department at [phone removed by eBay] between 8:00 am – 6:00 pm M-F and Saturdays 9:00 am to 3:00 pm.
  • We want you to be completely satisfied with your purchase – please let us know if you have any problems with your purchasebefore leaving feedbackso we have a chance to make it right – we want your repeat business!

Check out the official Holley PerformanceeBay Storefor more great deals!!!


Parts Search:


Follow