The right shocks can transform an RC vehicle’s handling, traction, and durability. This roundup compares 10 options spanning crawler dampers, oil-filled shocks, adjustable sets, and replacement assemblies.
Before buying, confirm mounting dimensions, vehicle compatibility, shock length, spring design, and whether the set includes oil or hardware. A close visual match is not enough if the mounting points or travel are wrong.
Best 10 Rc Shock Absorbers Under 300 Picks for 2026
Adjustable Big-Bore Performance
- Two pre-oiled aluminum shocks
- Threaded spring adjustment
- Fits various 1/8 off-road models
Best For: Adjustable front damping on 1/8 RC vehicles
Small-Scale Truck Refresh
- Four-piece replacement set
- Made for specified 1:18 trucks
- Uses aluminum, ABS, and metal
Best For: Compatible 9300-series and 300E/302E trucks
Balanced Crawler Control
INJORA DRX 100mm Dual-Rate Shocks
- Dual-rate springs for varied terrain
- Aluminum bodies with flexible nylon ends
- Includes 4 shocks and 8 extra springs
Best For: TRX4 and SCX10 crawler owners
Adjustable Slash Suspension
- Oil-filled design with sealing system
- Threaded bodies enable preload adjustment
- Fits several 1/10 Traxxas platforms
Best For: Traxxas Slash and related 1/10 models
Longer Crawler Setup
INJORA DRX 110mm Dual-Rate Shocks
- 110mm eye-to-eye crawler shock length
- Dual-rate springs with two included rates
- Four aluminum shocks plus extra springs
Best For: Crawler setups needing a longer shock
Heavy-Duty Pick
- Pre-oiled assembled four-piece set
- Metal CNC-machined bodies for off-road use
- Threaded bodies enable spring adjustments
Best For: Compatible 1/10 Traxxas and ARRMA Vorteks vehicles
Crawler Upgrade
- Four-piece set for 1/10 crawlers
- 120mm eye-to-eye length
- Aluminum-alloy construction
Best For: Longer-travel SCX10, TRX4, D90, and similar crawlers
Compact Oil-Shock Option
- Four-piece set for 1/12 to 1/16 cars
- Threaded hard-anodized aluminum bodies
- Oil damping with bladder seals
Best For: Compatible MJX, WLtoys, and SCY HBX compact RC cars
Trail-Ready Crawler Upgrade – INJORA 120mm Shock Absorbers
For shoppers comparing rc shock absorbers under 300, this four-piece INJORA set is a practical fit for 1/10 RC crawler builds. Its CNC-machined metal construction, included spare hardware, and oil-free design make it suited to straightforward replacement or upgrade work.
Best For: 1/10 Axial SCX10 and Traxxas TRX-4 crawler owners needing 120mm shocks.
Pros:
- Metal construction is described as light and durable.
- Includes spare springs and screws for installation or maintenance.
- Designed for a range of 1/10 crawler models, including SCX10, TRX-4, and D90.
- Fine workmanship and damping performance are highlighted in the supplied details.
Cons:
- Oil is not included.
- Compatibility is focused on specific 1/10 crawler applications.
- Not recommended for children under 14.
Choose this set when you want a complete four-shock crawler replacement with metal bodies and spare parts. Confirm the 120mm extended and 88mm compressed measurements before ordering.
Adjustable Big-Bore Performance – 110mm Adjustable Front Shocks
Among rc shock absorbers under 300, this two-piece front set stands out for its pre-oiled aluminum construction and threaded spring adjustment. The 110mm eye-to-eye size is intended for several 1/8 off-road platforms, but measuring the original shocks first is essential.
Best For: 1/8 RC buggy, truggy, and truck owners seeking adjustable front dampers.
Pros:
- Pre-oiled aluminum shocks use a sealing design intended to reduce leakage.
- Threaded bodies allow spring-height and force adjustments.
- Big-bore design and moderate spring hardness support off-road stability.
- Includes screws and small installation parts.
Cons:
- Only two front shocks are included.
- Compatibility depends on matching the original eye-to-eye measurement.
- The supplied details advise tightening the nut before use to help prevent oil leakage.
This is the most adjustment-focused option in the group, with a stated 110mm hole-to-hole measurement and approximately 120mm total length. Verify fitment and front-position requirements before purchase.
Compact Crawler Replacement – INJORA 100mm Crawler Shocks
If you are comparing rc shock absorbers under 300 for a 1/10 crawler, this INJORA 100mm damper set offers a simple metal upgrade path. It includes spare springs and screws, but like the related 120mm version, it is supplied without oil.
Best For: 1/10 SCX10, TRX-4, and D90 crawler setups requiring 100mm shocks.
Pros:
- High-quality metal construction is intended to balance durability and low weight.
- CNC machining and fine workmanship support a clean replacement fit.
- Spare springs and screws are included.
- Designed for several popular 1/10 crawler platforms.
Cons:
- Oil is not included.
- Fitment should be confirmed for the specific crawler and mounting setup.
- Not recommended for children under 14.
The 100mm format makes this a useful alternative when a 120mm shock is too long for the build. Check your existing shock dimensions and mounting points before selecting this set.
Small-Scale Truck Refresh – 9300E Aluminum Shocks
For rc shock absorbers under 300 aimed at smaller models, this four-piece 9300E upgrade set is made for specified 1:18 9300-series and 300E/302E brushless RC trucks. Its aluminum shock design combines with ABS plastic and metal construction for a direct replacement-oriented accessory.
Best For: Owners of compatible 1:18 9300-series, 300E, or 302E RC trucks.
Pros:
- Includes four shock absorbers for a complete set replacement.
- Purpose-built for multiple 1:18 truck variants.
- Uses aluminum shock components with ABS plastic and metal materials.
- Designed for practical fitting and removal.
Cons:
- Vehicle-specific compatibility limits use with unrelated RC models.
- The supplied details do not provide shock length or adjustment information.
- Fitment should be confirmed by model number before ordering.
This is the focused choice for owners of the listed 9300-family trucks who want four replacement shocks in one package. Match the PX9300-01A part number with your vehicle before checkout.
Balanced Crawler Control – INJORA DRX 100mm Dual-Rate Shocks
For shoppers comparing rc shock absorbers under 300, the INJORA DRX 100mm set offers a crawler-focused combination of aluminum construction, dual-rate springs, and smooth oil-shock damping. It is designed for TRX4 and SCX10 vehicles, but remember that shock oil is not included.
Best For: TRX4 and SCX10 1/10 RC crawler owners seeking adjustable-feeling suspension support for both small bumps and larger impacts.
Pros:
- Dual-rate springs help absorb small bumps while supporting bigger impacts.
- CNC-machined aluminum shock bodies provide a durable, off-road-oriented design.
- Includes four shocks and eight extra springs in two rates: 0.9mm and 1.0mm.
- Nylon bottom rod ends add flexibility.
Cons:
- Shock oil is not included.
- Compatibility is specifically noted for TRX4 and SCX10 applications, so verify dimensions before ordering.
- Not intended for children under 14.
The 100mm eye-to-eye length and included spring options make this set a flexible choice for compatible crawlers. Confirm the required length and remember that the stated measurement is center-to-center, not the overall shock length.
Adjustable Slash Suspension – OGRC Oil Shock Absorber Set
Among rc shock absorbers under 300, this OGRC set stands out for its oil-filled design, threaded aluminum bodies, and adjustable spring collars. It is listed for several 1/10 Traxxas platforms, including Slash, Stampede, Rustler, Hoss, and Bandit models in 2WD and 4×4 configurations.
Best For: Traxxas owners who want adjustable preload and oil damping for improved bump and jump control.
Pros:
- Oil-filled shocks use a sealing design intended to help prevent leakage.
- Threaded aluminum bodies and spring collars allow ride-height and preload adjustments.
- Hard-anodized aluminum construction is designed for smooth damping and terrain control.
- Set includes four shock absorbers.
Cons:
- Compatibility is vehicle-specific despite the universal-fit listing, so confirm your model and configuration.
- The supplied notes do not specify a manufacturer warranty.
- Extended length is listed as 4.13 inches; verify fit before purchase.
The OGRC set is a practical option when adjustability matters more than a fixed replacement setup. Its threaded bodies make preload changes straightforward, while the oil-filled design targets consistent damping across demanding driving conditions.
Longer Crawler Setup – INJORA DRX 110mm Dual-Rate Shocks
If you need rc shock absorbers under 300 with a longer crawler configuration, the INJORA DRX 110mm set combines dual-rate springs with CNC-machined aluminum bodies. It is intended for 1/10 RC crawler use, and shock oil must be supplied separately.
Best For: Crawler builders who need a 110mm eye-to-eye shock option with interchangeable spring rates and flexible lower rod ends.
Pros:
- 110mm center-to-center length suits setups requiring a longer shock.
- Dual-rate springs balance small-bump absorption with support for larger impacts.
- Includes four shocks and eight extra springs in 0.9mm and 1.0mm rates.
- Aluminum bodies and nylon bottom rod ends support off-road use.
Cons:
- Shock oil is not included.
- Verify that 110mm eye-to-eye length matches your suspension geometry.
- Not intended for children under 14.
This version is best considered when your crawler specifically calls for the longer 110mm size. Check mounting points and suspension travel carefully, since the listed length is measured eye-to-eye rather than end-to-end.
Heavy-Duty Pick – 1/10 Big-Bore RC Shocks
For shoppers comparing rc shock absorbers under 300, this four-piece assembled set is a practical replacement for compatible 1/10 Traxxas models and the ARRMA Vorteks 3S. Its pre-oiled, metal big-bore design is aimed at smoother off-road driving, while threaded bodies allow spring-height and preload adjustments.
Best For: 1/10 Traxxas Slash, Stampede, Rustler, Hoss, Bandit, Rally, and compatible ARRMA Vorteks owners needing front and rear replacement shocks.
Pros:
- Pre-oiled assembled shocks are ready to install.
- Metal, CNC-machined bodies are designed for heavy-duty off-road use.
- Threaded bodies support spring-position adjustments.
- Includes two front and two rear shocks with balls and screws.
Cons:
- Fit is primarily vehicle-specific, so dimensions and compatibility should be checked.
- The listed front and rear lengths differ, requiring correct placement.
This set stands out when you want a complete four-shock replacement with adjustable springs and a focus on jumps, bumps, and heavier off-road vehicles.
Crawler Upgrade – 120mm Aluminum RC Shocks
Among rc shock absorbers under 300, this RCLIONS set is tailored to 1/10 crawler builds that need a longer 120mm shock. The aluminum-alloy construction, internal springs, and stated smooth damping make it an upgrade option for several popular crawler platforms.
Best For: 1/10 SCX10, SCX10 II and III, D90, TRX4, Redcat Gen7 or Gen8, HPI, and HSP crawler vehicles.
Pros:
- Four-piece set offers a complete shock replacement group.
- 120mm eye-to-eye length suits long-travel crawler applications.
- Aluminum-alloy construction is described as durable and protective.
- Designed for easy installation with smooth damping.
Cons:
- The 120mm length may not suit crawlers designed for shorter shocks.
- Compatibility is broad but still requires checking mounting dimensions.
Choose this set if your crawler can accommodate its extended length and you want an aluminum upgrade with a straightforward installation focus.
Compact Oil-Shock Option – 72mm RC Oil Shocks
These four 72mm oil shocks are a compact choice for shoppers seeking rc shock absorbers under 300 for 1/12, 1/14, and 1/16 RC cars. Their threaded aluminum bodies provide preload adjustment, while internal shock oil and bladder seals are intended to deliver more consistent rebound damping than basic friction systems.
Best For: MJX 16208, 16209, 16210, 14301, and 14210; WLtoys 144001 and 124016-124019; and compatible SCY HBX 1/12, 1/14, and 1/16 cars.
Pros:
- Four-piece front and rear shock set for compact RC cars.
- Aluminum bodies are CNC-machined and hard-anodized.
- Threaded bodies enable quick preload adjustments.
- Oil damping and bladder seals are designed for consistent rebound.
Cons:
- Fit depends on the listed vehicle and the required 72mm shock size.
- The notes specifically recommend checking dimensions before purchase.
This is a sensible compact-car upgrade when the 72mm size matches your chassis and you prefer oil damping with adjustable threaded bodies.
How We Picked the Best Rc Shock Absorbers Under 300
We focused on fitment, useful adjustment features, construction, and application range rather than choosing by appearance alone. The selection includes shocks for popular 1/10 crawlers, Traxxas Slash models, smaller RC trucks, and broader replacement applications. We also considered whether each design offers oil damping, dual-rate springs, adjustable preload, assembled installation, or a complete four-piece configuration.
Because RC suspension parts are highly vehicle-specific, compatibility remains the most important qualification. Buyers should verify the listed model, eye-to-eye length, mounting hardware, and clearance before ordering.
Quick Comparison
- Best for 1/10 crawler upgrades: INJORA 100mm, 110mm, and 120mm options, including DRX dual-rate models.
- Best for Traxxas Slash owners: The OGRC oil shock set designed for Slash 2WD and 4X4 applications.
- Best for a complete replacement: The 4PCS assembled 1/10 shock set.
- Best for compact RC vehicles: The 72mm four-piece oil shock set for 1/12 to 1/16 models.
- Best for a specific small truck platform: The 9300E aluminum shock accessory set for compatible 1:18 vehicles.
Key Buying Factors for Rc Shock Absorbers Under 300
Fit and Shock Length
Measure the original shocks from mounting eye to mounting eye, then compare that figure with the replacement. A shock that is too long can overextend the suspension, while a short one may reduce articulation or ground clearance. Check mounting-hole size and included spacers as well.
Oil Damping and Adjustability
Oil-filled shocks generally provide more controlled rebound and compression than basic friction dampers. Adjustable collars let you tune ride height and preload, while dual-rate springs can provide a softer initial response followed by stronger support. These features are useful for crawlers carrying added weight or trucks driven over mixed terrain.
Spring Rate and Driving Style
Soft springs can improve grip and articulation at low speeds, but may allow excessive body roll or bottoming. Firmer springs suit faster driving and heavier builds. Consider tire weight, battery placement, accessories, and whether you prioritize crawling traction or jump control.
Set Size and Installation
A two-piece set may be appropriate for a front-end repair, but a four-piece kit is usually more convenient when replacing an entire axle pair or full suspension system. Confirm whether oil, mounting screws, bushings, and springs are included.
Who Should Buy Which Rc Shock Absorbers Under 300?
Crawler owners should prioritize exact length, articulation, oil damping, and dual-rate spring options. Basher and truck owners should look for durable aluminum construction, secure mounting, and enough rebound control for rough landings. Budget repair shoppers may prefer an assembled multi-piece set that minimizes installation time. Small-scale RC owners should focus on the shorter 72mm and platform-specific options, since full-size 1/10 shocks will not substitute safely.