J. Mendel

Holley EFI 300-237 Hi-Ram Lower Manifold - LT1

Description: Our eBay Store About Us Contact Us Add to Favorite Sellers Holley EFI 300-237 Holley Hi-Ram Lower Manifold - GM LT1 LT1 Hi-Ram, Lower Manifold Only w/out Port EFI Provisions. Order Plenum Top Separately.; The new Holley EFI Hi-Ram intake provides the ultimate performance with the new GM direct injected Gen V 6.2L LT1 engine. The modular design of this manifold allows easy disassembly for custom porting, multiple tops, or custom induction systems. Each runner has a large radius where it meets the plenum, and optimized taper & cross-sectional area to perform in a wide variety of engine configurations. The optional injector bosses on the intake runners allow increased performance potential by using additional injectors along with the factory direct injection. When you look for the pinnacle of performance, price, and quality, look to Holley EFI.; Modular Design w/ Removable Top Overall Height: 13.34” (w/ EFI Top - 95mm or 105mm) – See Drawing A-B Height: 12.10” (w/ Carb Style Top - 2 x 4150 or 2 x 4500) – See Drawing Height at Plenum Flange: 9.44” Port Size: 2.06” High x 1.53” Wide Runner Length: Approx. 6.5” Large Plenum Volume of 549 Cubic Inches (w/ 1 x 95mm or 1 x 105mm Throttle Body Top) Available With or Without Injector Ports in the Runners Intakes w/ Injector Ports Include Fuel Rails w/ Dual Mounting (1.48” or 2.56” O-ring to O-ring injector length) Fuel Rails are Anodized, Laser Etched, and Machined for 8AN O-Ring Fittings at Each End Rear of Plenum Machined for MAP & 3 Vacuum Ports Head Flange has Clearance for Fuel Supply to High Pressure Pump Increased Runner Wall Thickness for Custom Porting at the Plenum to Runner Entry on Each Runner O-Ring Seals at Cylinder Heads & Plenum Top Easy Assembly w/ Top Mounted Screws on Plenum Top (all except front 2 screws) Several Top Options: 1 x 95mm, 1 x 105mm, 2 x 4150, 2 x 4500, or Blank Flange for Custom Throttle Bodies 3500-8000+ RPM Power Band General Policies Payment Method We gladly accept PayPal and All Major Credit Cards. Warranty & Return PolicyHolley 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 liability for products used in racing activities and/or applications other than those specifically recommended in the current brand catalog.Buyer pays return shippingShipping & TrackingPlease see the Shipping and Payment tabWe ship all US orders via United Parcel Service (UPS Ground)A signature is required on all UPS orders over $750Tracking 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 paymentWe do not ship to APO/FPO or US Post Office Box addressesWe ship internationally thru United States Postal Service (USPS) Express Mail International; allow extra time for international shipmentsWe can not ship as a "GIFT" or ship anything internationally with changes to the invoiceCustomer Service & FeedbackWe strive to answer questions submitted thru eBays message system within 1 business dayIf you have a technical question about your purchase, please call our Tech Services department at (866) 464-6553 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 purchase before leaving feedback so we have a chance to make it right we want your repeat business! Check out the official Holley Performance eBay Store for more great deals!!!

Price: 697.95 USD

Location: USA

End Time: 2025-02-03T09:25:09.000Z

Shipping Cost: 0 USD

Product Images

Holley EFI 300-237 Hi-Ram Lower Manifold - LT1Holley EFI 300-237 Hi-Ram Lower Manifold - LT1Holley EFI 300-237 Hi-Ram Lower Manifold - LT1

Item Specifics

Return shipping will be paid by: Buyer

Returns Accepted: Returns Accepted

Item must be returned within: 30 Days

Refund will be given as: Money back or replacement (buyer's choice)

Return policy details:

Brand: Holley EFI

Material: Aluminum

Manufacturer Part Number: 300-237

Item Height: 10.000

Item Length: 20.400

Item Width: 14.700

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