Holley Lower Structure Support for Gen III Hemi Engines and Transmissions 302-65
SKU: 87487750272

Holley Lower Structure Support for Gen III Hemi Engines and Transmissions 302-65

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Description

Holley Lower Structure Support for Gen III Hemi Engines and Transmissions 302-65Fits Gen III Hemi Engines and Common Mopar Transmissions. Use with Holley Swap Oil Pans, Fabricated Oil Pans, and Stamped Pans (that do not provide the extra support). Most Late model factory oil pans bolt to the engine block and the transmission for extra strength and support. Most swap oil pans for the Gen III Hemi do not have this additional support, but it can be added using PN # 302 65. This lower support fits cast, fabricated, and stamped swap

Fits Gen III Hemi Engines and Common Mopar Transmissions. Use with Holley Swap Oil Pans, Fabricated Oil Pans, and Stamped Pans (that do not provide the extra support).

Most Late-model factory oil pans bolt to the engine block and the transmission for extra strength and support. Most swap oil pans for the Gen III Hemi do not have this additional support, but it can be added using PN # 302-65. This lower support fits cast, fabricated, and stamped swap pans on Gen III Hemi engines with popular transmissions (or bellhousings). The lower structure support also covers the bottom of the transmission (or bellhousing) to keep out dirt and reduce vibration & noise.

NOTES: Lower support is not required with factory oil pans that bolt to the transmission at the rear of the pan. Confirmed Fitment with the following oil pans: Holley PN # 302-60, 302-61, 302-64, and 302-64BK Weiand PN # 5050WND and 5051WND White Box PN # WB11010 Mopar PN # 4893207AA

Features:

  • Lower support bolts engine block to transmission or bellhousing for additional driveline strength and support while keeping dirt and debris out of driveline components
  • Provides OEM style fitment and support on oil pans that do not bolt to the transmission
  • Fits engine swap oil pans: 302-60, 302-61, 302-64, 302-64BK, 5050WND, 5051WND, WB11010, and stamped steel factory oil pans
  • Fits all Gen III Hemi engines ? 2003 & Up 5.7, 6.1, 6.2, and 6.4-Liter
  • Fits all common transmissions: TR-6060, NAG1, 545RFE, 8HP70, 8HP90, 9HP75, A727, 46RE, 46RH + More
  • Fits Lakewood bellhousings: LK7000 or LK7000K with Mopar 3-speed, 4-speed, or Tremec TKO/TKX transmissions
  • Covers the lower portion of the bell-housing ? to keep dirt out of the bell-housing or transmission
  • Reduces vibration and noise
  • Rigid cast aluminum design with a natural as-cast aluminum finish
  • Bolts on over existing oil pan with included fasteners

Specs:

Application Gen III Hemi
Brand Holley
Emission Code 6
Engine Gen III Hemi
Finish Natural Cast
Material Aluminium
Product Type Engine and Transmission Support
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • 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
SKU: 87487750272

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GymBum
San Leandro, US
★★★★★ 5
Great little speakers
Size: 5.25” Woofer, Size: 5.25” Woofer
These make great surround speakers, and they just sound good
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Reviewed in the United States on May 22, 2026
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Z The P
Los Angeles, US
★★★★★ 5
Good Speakers - Good Reputation - Good Purchase
Size: 5.25” Woofer
Good sounding, high quality speakers. These are Klipsch...enough said.
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Reviewed in the United States on March 31, 2026
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Hatem
Houston, US
★★★★★ 5
Klipsch R50 M next generation
Size: 5.25” Woofer
In spite of small size sound is very nice iam using it with a subwoofer and with my yamaha A4A AV receiver i like it iam hearing mostly heavy metal and the speakers have a nice punch and attack
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Reviewed in the United States on February 18, 2026
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Yaniv.F
Battle Creek, US
★★★★★ 4
compact surrounds that blend well with the right setup
Size: 4” Woofer
I picked up the Klipsch R‑40M as part of a full 5.1 system built around the R‑50M fronts and the R‑50C center. My original plan was to use another pair of R‑50M speakers in the back, but they simply didn’t fit in the rear cabinet space I have. The R‑40M ended up being the only model that fit comfortably, so they became my surround channels. In terms of build quality, they feel solid and consistent with the rest of the Reference Next‑Gen line. The copper woofers and updated horn design give them the same visual identity as the larger models, which helps the whole system look cohesive. They’re compact enough to place in tighter spaces without compromising too much on performance. Sonically, the R‑40M does a respectable job as a surround speaker. Effects are clear, directional cues are easy to follow, and they integrate smoothly with the more powerful R‑50M fronts. That said, they are noticeably less powerful than the R‑50M, so you need to spend a little time balancing your levels. Once I bumped their channel trim a bit and adjusted the distance settings, the rear soundstage locked in nicely and felt much more even. They won’t deliver the same fullness or dynamic punch as the larger models, but for rear channels that’s usually not a deal breaker. What matters is clarity and consistency, and the R‑40M handles both well. Movies with active surround mixes feel immersive, and ambient effects wrap around the room without calling attention to the speakers themselves. If you’re building a system where space is limited in the back, the R‑40M is a practical and capable choice. Just be prepared to fine tune your calibration so they match the output of the bigger speakers up front. Once dialed in, they round out a 5.1 setup very effectively.
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Reviewed in the United States on January 22, 2026
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Integrion
Fort Morgan, US
★★★★★ 5
Great Bang for the Buck!
Size: 5.25” Woofer
These R50 Studio Monitors are worth every penny. One could easily spend a heck of a lot more to get less. Have been a pro audio engineer my entire life. These monitors kick out clean, solid bass and accurate highs. Klipsch did a excellent job designing these monitors. Perfect for smail spaces where fidelity is critical. If you wall mount these, make sure you leave at least a 1.5 inch air gap between the back of the monitor and the wall. These units are sweet.
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Reviewed in the United States on July 22, 2025

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