SKU: 75109257705

ACL Race Series Bearings BMW N55B30 2979cc Inline6 DOHC 4v Turbo, Conrod Bearing, extra oil clearance (0.025mm) 6B1584HX

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Description

ACL Race Series Bearings BMW N55B30 2979cc Inline6 DOHC 4v Turbo, Conrod Bearing, extra oil clearance (0.025mm) 6B1584HXABOUT ACL For over 70 years precision engine bearings have been manufactured in Launceston, Tasmania, Australia. During this time ACL has been a major OEM supplier to the Australian & International automotive industry, whilst providing an extensive replacement product range for the global aftermarket. Today ACL produces one of the largest aftermarket range of engine bearings and has a global reputation for robust metallurgy, quality, precision,

ABOUT ACL

For over 70 years precision engine bearings have been manufactured in Launceston, Tasmania, Australia.

During this time ACL has been a major OEM supplier to the Australian & International automotive industry, whilst providing an extensive replacement product range for the global aftermarket.

Today ACL produces one of the largest aftermarket range of engine bearings and has a global reputation for robust metallurgy, quality, precision, innovation and performance.

ACL has a long and rich history in motorsport – it is in our DNA. The ACL RACE Series Performance Engine Bearings of today has a strong pedigree in motor racing that traces its roots back to the 1960’s with the manufacture of engine bearings for use in the world conquering Brabham Formula 1.

Further experience in the Australian Supercars Championship, drag racing, speedway, drifting & rally with its range of RACE Series Performance Engine Bearings being the first choice for discerning engine builders the world over.

The ACL RACE Series Performance Engine Bearing offering covers over 200 varied engine applications covering a wide range of performance engine bearings for Australian, American, Japanese, Korean & European applications. The range continues to expand to cover new engine releases.

The company has a high degree of vertical integration encompassing: tooling & product design, bearing strip manufacture, tooling & machine manufacture as well as the complex manufacturing processes & systems required to produce the final product.

ACL's Business Management Systems hold the internationally recognized ISO9001: 2015 Quality Management System, ISO14001: 2015 Environmental Management System & ISO451001: 2018 Occupational Health & Safety Management System certification.

Description: BMW N55B30 2979cc Inline6 DOHC 4v Turbo

Capacity: 2979 CC

Cylinders: 6

Bore Size: 3,3071 in / 84 mm

Stroke: 3,5276 in / 89,6 mm

FEATURES

  • HIGH STRENGTH OVERLAY PLATE with reduced thickness for improved fatigue properties
  • HARDENED STEEL BACKS on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing.
  • INCREASED CRUSH for improved bearing retention
  • ELIMINATION OF FLASH PLATING on the back of the bearings to improve heat transfer through the bearings and to maximize the grip between the bearings and its housing.
  • INCREASED ECCENTRICITY to compensate for bore distortion at high rpm and to assist in the formation of hydrodynamic oil films.
  • 3/4 GROOVED MAIN BEARINGS to optimize bearing load carrying surface area and oil flow to the conrod bearings.
  • TIGHT CONSISTENT WALL TOLERANCES to help you maintain consistent clearances.
  • ENLARGED ID CHAMFERS on bearing edges where required to accommodate large fillet radius on performance crankshafts.
CONROD BEARING - STDHX - EXTRA OIL CLEARANCE SET (-0.025MM)
  • High performance Trimetal engine bearings
  • Designed to withstand higher RPM conditions
  • High strength overlay plate with reduced thickness for improved fatigue properties
     
    Specifications for STD size only

    Sizes STD
    Oil Clearance
    Half Type Upper & lower
    Material F781
    Min. Std Shaft Size 49,973 mm / 1.9674 in
    Max. Std Shaft Size 49,993 mm / 1.9682 in
    Min. Std Tunnel Size 53,6 mm / 2.1102 in
    Max. Std Tunnel Size 53,616 mm / 2.1109 in
    Max Wall at Crown 1,78 mm / 0.0701 in
    Max Overall Length
    17,55 mm / 0.6909 in
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]
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SKU: 75109257705

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Whiting, US
★★★★★ 5
Fantastic and Warm
Color: Tie-dye Grey, Size: Throw(50" X 60")
Extremely soft and warm. No shedding and doesn’t lose shape - exactly as described. Very pleased with this throw.
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Reviewed in the United States on May 25, 2026
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Kindle Customer
Waukegan, US
★★★★★ 4
Great quality at very reasonable price
Color: Tie-dye Pink, Size: Throw(50" X 60")
Soft and warm. Washed nicely and was able to dry in dryer on low heat and it fluffed up nicely.
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Reviewed in the United States on April 4, 2026
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✨Isa✨
Lexington, US
★★★★★ 5
Cozy and stylish. Very impressed with the quality.
Color: Beige, Size: Queen
I love it! It’s so soft, cozy, and warm. Perfect as a throw blanket and for sleeping. The material is very durable. The stitching looks well done. Overall, it’s a great blanket worth your money.
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Reviewed in the United States on May 25, 2026
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Amazon Customer
Los Angeles, US
★★★★★ 5
Highly recommend this extra soft, plushy, ripple warm fluff blanket! Looks great, feels great!
Color: Light Blue, Size: Twin
Oh wow this is such a nice blanket!! I have 3 of their regular fleece blankets, without the ripple- just plain fleece and they get washed 1x a week for about 2 years now and they have held up beautifully —- except for the mocha one I keep on my bed that my dog loves to dig in is starting to get frayed —- but it is still nicely soft! Just looks a bit worn so popped on for a bed upgrade since we are in winterageddon the saga that never ends this winter 2026…. I was going to order the same mocha again because I really like this brand and I absolutely get the 25$ moneys worth at 2 years… then this rippled one showed up…. Ok let’s try something new. I am SO glad I upgraded to this ripple! It is plush, and soft, and washed beautifully, and dried beautifully in reg cotton heat— even though it says medium heat care…. I put it on my bed and it looks beautiful! The ripples feel so soft and fluffy— but no fluff or fabric cast off! Even going through the dryer I thought for sure I would have a lint tray full—- it really wasn’t a lot! The color of the light baby blue is just perfect for a cream bedroom or as a navy accent color— it’s a cool true baby blue that looks great with my navy beige and cream bedroom. It is so warm! Much thicker feeling than the plain fleece blanket by bed sure—- some will like the heavier weight- I personally like the weight of blankets so this was a win!! 100% worth the price- highly recommend!
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M. Dawson
Belleville, US
★★★★★ 5
Great Blankets!
Color: Light Purple, Size: Twin XL
So soft and cozy! Great colors. Have bought a couple of these blankets now and love them.
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Reviewed in the United States on May 30, 2026

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