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- USA
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Ships within 48 hours · Estimated delivery Jul 4 - Jul 9
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Description
PERFORMANCE FORGED H-BEAM CONRODS TO SUIT HOLDEN MONARO V2 L67 SUPERCHARGED 3.8L V6Designed in house using a very comprehensive 3D design package, Mace now offers their very own 4340 steel forged conrods for the hardcore racer or that tough street build. Performance and durability are validated through many hours of realistic motion and force simulations so users can be assured these rods will withstand anything that is thrown at them. These are a direct fit for the L67 Supercharged 3. 8L V6 and are capable of handling 1000hp. Also
Designed in-house using a very comprehensive 3D design package, Mace now offers their very own 4340 steel forged conrods for the hardcore racer or that tough street build. Performance and durability are validated through many hours of realistic motion and force simulations so users can be assured these rods will withstand anything that is thrown at them. These are a direct fit for the L67 Supercharged 3.8L V6 and are capable of handling 1000hp. Also included is a set of Mace high tensile connecting rod bolts rated to 200,000 PSI.
Features:
- High tensile 4340 aircraft quality forged steel
- 2 Piece forging
- Hardness of HRC34-38
- Dowelled caps for precision alignment
- X-RAY & sonic tested
- Quenching and heat treated
- Extra shot peened
- Weight matched Sets to +/- 1 gram
Vehicle Fitment Guide
Notes:
- Due to factory variations in crankshaft journal and piston gudgeon pin sizes, resizing of the conrod big end and/or small end bush to pin clearance may be required. Have your engine builder check the clearances before assembling and have them set depending on the application.
- Torque conrod bolts to 75Nm or 55 Ft-lb.
- The ARP bolts do not suit these conrods.
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 2014 reviews
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Product Reviews
★★★★★ 5
Great for home office
Color: Grey, Color: Grey
This was a great replacement to the chair I use when I work from home, padding is firm and comfortable so I have no issue sitting on it for hours, the arm rest are foldable so is very convenient when my dogs are in co worker duty.
Very easy to put together and it feels very firm and stable.
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Thick seat cushion
Color: Grey
This double-layer seat cushion is so comfortable! Before, my lower back would ache after just an hour on a hard bench, but now I can work in this chair for most of the day without feeling tired. The PU leather has a great texture, looks high-end, and is incredibly easy to maintain—just wipe it down with a cloth when it gets dirty. It feels smooth and breathable. The 360-degree swivel is very smooth, making it convenient to reach for documents in the office. The casters roll quietly and won’t scratch the floor. For anyone who spends a lot of time working at a desk, the comfort level at this price point is absolutely worth it. I highly recommend it.
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Reviewed in the United States on March 26, 2026
★★★★★ 3
Meh
Color: Black
It's ok. I got it because it looked like it has more cushion and might be more comfortable. Nope. It's the same comfort level as different chairs. My reer still goes numb and gets uncomfortable in this chair. Also, where your arms sit, the chair arms are slightly curved upwards and it causes my chair to be unable to fit under my desk. If they weren't slightly curved, that wouldn't happen. It's just another chair, nothing spectacular.
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Reviewed in the United States on June 13, 2026
★★★★★ 5
Solid quality and comfortable
Color: Light Grey, Color: Light Grey
Wonderful quality chair, solid and sturdy, it was easy to put together, the directions were very clear and all the pieces fit together perfectly without issue. It is made of breathable material and I love that the arms flip up easily. You can raise it up or down and it has an adjustable headrest. It also has adjustable lumber support. It rolls easily and the color is the only reason I might return, I think I want a different one instead. The chair is comfortable for a petite person but equally comfortable for a tall person. We have both in our family and it is great for both. The armrests are comfortable and there is really nothing negative to say about this chair at all. Considering the quality, it is a great value for the money.
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Comfortable and Sturdy Office Chair
Color: Black, Color: Black
I’ve been very happy with this chair so far. The quality feels solid, and the materials look durable. The color matches the listing perfectly and fits nicely with my office setup. It’s very comfortable for long periods of sitting, with good support for my back and shoulders.
Assembly was straightforward, and all the parts were included. The chair looks modern and professional, and the overall appearance exceeded my expectations. It feels stable and secure, even when reclining or moving around. The wheels roll smoothly, and the chair is easy to adjust for a comfortable fit.
Overall, this is a well-made, comfortable, and attractive office chair that offers great value for the price.
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Reviewed in the United States on June 6, 2026
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