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Michigan Motorsports Camshaft Thrust Retainer Plate Kit | Fits Non-VVT LS Engines | 4.8L 5.3L 6.0L 6.2L LS1 LQ4 LQ9 LS2 LS3 | Replaces GM #12589016 | Includes ARP 134-1002 Bolt Kit

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$39.99 Why this price?
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Availability: In Stock.
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Arrives Monday, Aug 3
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Features

  • Direct GM 12589016 Replacement Perfect OEMfit upgrade for LS1, LS2, LS3, LQ4, LQ9, and other Gen III/IV nonVVT LS engines, making installation straightforward and hasslefree.
  • HeavyDuty FlatStyle Plate Eliminates the weak factory countersunk torx design, preventing stripped or seized bolts during disassembly and ensuring longterm serviceability.
  • Includes ARP 1341002 Bolt Upgrade Premium flathead ARP bolts provide extreme clamping force, resisting loosening under highRPM stress for maximum reliability.
  • Proven in HighPerformance Builds Trusted by professional LS builders for street, strip, and endurance racing applications thanks to its strength, precision, and consistent performance.
  • Built for NonVVT LS Engines Compatible with 4.8, 5.3, 5.7, 6.0, and 6.2L nonVVT LS configurations. Not for VVT engines; use the correct countersunk version if your build has VVT.

Material: Alloy Steel


Thread Size: M8


Exterior Finish: Black Oxide


Manufacturer Grade: Grade III


Head Style: Flat


Thread Size: M8


Exterior Finish: Black Oxide


Manufacturer Grade: Grade III


Screw Head Style: Flat


Color: Black


Fastener Type: bolts


Thread Type: Metric


Thread Style: Right Hand


Item Hardness: Grade 3 or 4


Head Type: Flat


Thread Class: 3A


Set Screw Thread Type: Metric


Compatible Groove Diameter: 8.06 Millimeters


Material Type: Alloy Steel


Metal Type: Alloy Steel


Finish Types: Black Oxide


Item Diameter: 2.25 Inches


Size Name: M8


Number of Pieces: 2


Fastener Size: 8mm


Item Dimensions: 6.3 x 6.61 x 16.14 inches


Brand: Michigan Motorsports


Manufacturer: Michigan Motorsports


Number Of Items: 1


Model: E6300+F6200


Part Number: E6300+F6200


Unit Count: 1 Count


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Aug 3

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Great product Great product
Fit perfectly on lq4 6.0 ls and worth every penny.
Reviewed in the United States on February 27, 2026 Reviewed in the United States on February 27, 2026 by Michael Contreras

  • Great quality Great quality
I know the ARP hardware is overkill for an application like this but it gives me peace of mind knowing I put the highest quality product available in my motor, they threaded in nicely and torqued down without any problems, just be sure you clean off the protectant that’s on them with a solvent before applying thread locker ... show more
Reviewed in the United States on October 7, 2025 Reviewed in the United States on October 7, 2025 by Josh Baker

  • BUY IT!!!!
My husband said it worked wonders for his Camaro SS
Reviewed in the United States on May 7, 2026 by Morgan Brooks

  • Good quality
Good quality
Reviewed in the United States on February 28, 2026 by Steve

  • Good
Arp has always been good ig
Reviewed in the United States on February 9, 2026 by Gabriel

  • Highly recommended for a engine rebuild
Anything that has the ARP logo on it has my vote, I used this when I was rebuilding my lS1, great value and easy install an fit great
Reviewed in the United States on August 4, 2025 by Matt

  • Great quality
Great quality
Reviewed in the United States on May 14, 2026 by Isaac

  • Fast shipping! Fast shipping!
Very fast shipping! Ordered in the early afternoon and arrived next morning, installed within 24 hours of ordering. Great pricing. Definitely recommend replacing these as the main oil pressure issue held by this gasket when doing a cam.
Reviewed in the United States on April 15, 2026 Reviewed in the United States on April 15, 2026 by Isaac Acosta

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