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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 4 - Jul 9
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Holley Single Plane EFI Intake-GM LS1/LS2/LS6 - Black - 300-137BKOverview: Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1 LS2 LS6 style cathedral port cylinder heads. Black Ceramic Coating to provide you with that aggressive look in your engine compartment. Features: Black ceramic coating provides an aggressive look to your engine compartment 2500 7000 RPM power band 4150 Square bore flange Optimized runner layout and constant cross sectional area broad torque curve, best
Overview:
Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads.
Black Ceramic Coating to provide you with that aggressive look in your engine compartment.
Features:
- Black ceramic coating provides an aggressive look to your engine compartment
- 2500-7000 RPM power band
- 4150 Square bore flange
- Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM
- Minimum carb flange height - fit in vehicles with minimum hood modifications
- Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS power adder applications
- Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality
- Weight - 11.5 lbs.
- Height (front) - 5.417" to the lifter valley cover flange at the engine block front flange
- Port size - 2.50" height x 1.15" wide
- Includes Viton® O-ring intake to cylinder head gaskets - Viton® is a registered trademark of DuPont Performance Elastomers
- Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| Universal |
Specs:
| Brand | Holley EFI |
|---|---|
| Construction | Cast |
| Emission Code | 4 |
| Engine | GM Small Block Gen III/IV (LS Based) |
| Finish | Black |
| Front Height | 5.417 inch |
| Fuel System Type | EFI |
| Manifold Type | Single Plane |
| Product Type | Manifold |
| Rear Height | 5.417 inch |
| RPM Power Band | 2500-7000 |
| Warranty | Limited 90 Day |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.5 ★★★★★
Based on 1206 reviews
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Product Reviews
★★★★★ 5
very happy with this purchase!
Color: Khaki, Size: Small, Color: Khaki, Size: Small
The ANRABESS Women’s Sleeveless High Neck Tank Top is a great wardrobe staple! The fabric is comfortable, soft, and lightweight, making it perfect for layering or wearing on its own. It has a flattering high-neck design that looks polished and pairs easily with shorts, jeans, skirts, or dressier pieces.
For sizing reference, I’m wearing a size small, and I found it to fit true to size. It has a comfortable fit without being too tight or too loose and holds its shape well throughout the day. Versatile, comfortable, and easy to style. I’m very happy with this purchase!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
★★★★★ 5
Perfect fit and Style
Color: Black, Size: Large
LOVE THESE TANKS. The material is stretchy, durable and not see through, it’s a longer fit so it doesn’t stop at the waist and has a small curve cut at the waist area. Perfect for layering as the neck is high and also makes for good coverage for those who are bustier like myself. I ordered A large AND ordered four different colors as they are a great price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
★★★★★ 4
Good basic tanktop
Color: White, Size: Small
The material feels really nice and soft to the touch. It’s great as a basic tank top for everyday wear, especially during hot weather. 🌤️ The fit is flattering and shapes the body well without feeling too tight. Simple, comfortable, and easy to match with anything!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
★★★★★ 5
Very flattering
Color: Royal Blue, Size: Small
I ordered four of these tops, two white, a beautiful royal blue, and the great green one . There are so many things to like about this top but they didn’t work for my needs. The fabric is a nice weight, it is form fitting but not clingy, soft and comfortable, I was looking for tops that would not expose my bra straps. The style is cut in at the shoulder which will show your straps. If that’s not an issue for you then you will love this top. Can be worn by itself, under a suit jacket or blouse. The colors are bright and flattering, perfect for spring and summer.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Nice Fit - Casual or Dressy Casual
Color: Black, Size: Large
The tank top is comfortable, true to size and form fitting with great length (tank runs about 3 inches past my waist). I like the look and fit so much I bought the same tank in several different colors. The tank looks great with my wide leg jeans and below the knee bubble skirt. The tank is versatile and can be worn for leisure or dressy casual creating a polished look, i.e. wear with a blazer or smart casual skirt. I watch for a discounted price as some colors may be offered at a lower price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
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