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250-300lb Rear Adjustable 4 Bar & Coilover Conversion GM - 1964 - 1966 A Body

Part# - HEX4RCCGM30001 SKU::787834
MagnifyHelix Suspension Brakes and Steering - HEX4RCCGM30001 - 1
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Web Special Price

$995.95 USD

Regular Price: $1,165.27

MSRP: $1,294.74

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Description of Product HEX4RCCGM30001

Helix Rear Coil Over Conversion Kits are a precision balance of ride comfort and maximum road adhesion.



Our Rear 250-300lb Coilover 4 Link Kit Fits On The Following:



1964 - 1966 442/Cutlass

1964 - 1966 GS/Skylark



You will immediately feel the difference with Helix coilovers with reduced body roll in corners, nose drive and squat when accelerating. We manufacture Helix springs from the highest quality spring steel available. We use state of the art equipment using the latest technology producing what we call the best spring available anywhere. So improve the performance and ride comfort with our entire line of coilover spring setups without compromising consistency and durability.



We build our Helix springs in-house using top-shelf spring steel and modern equipment, applying the latest technology to make what we believe is the best coilover spring out therebar none. They’re tough, consistent, and built to take a beating without giving up.



Bottom line: better handling, a smoother ride, and rock-solid durabilityall without sacrificing the muscle car attitude you love.This kit doesn't just look good on the shop floor. If you want parts that fit right, install clean, and hold up mile after mile, Helix delivers!

Stay ahead of the pack with Helix Suspension. For more information, contact your local dealer or visit the Helix Suspension website.

Features

  • ----- :: 4 BAR COILOVER CONVERSION KIT
  • Fits :: 1964-1966 442 Cutlass
  • Fits :: 1964-1966 Skylark GS
  • Material :: Heavy-Duty Steel
  • Installation :: Bolt-On
  • Valving :: Performance Street
  • Finish :: Black
  • Upper Coil Style :: Pigtail
  • Adjustable :: Yes
  • Material :: Hardened Steel
  • Shock Color :: Silver
  • Charged :: Nitrogen
  • Upper Mounting :: Spike
  • Lower Mount :: Stud Plate
  • Style :: Triangulated
  • Adjustable :: Yes-Uppers, No-Lowers
  • Bushings :: Polyurethane
  • ----- :: DIMENSIONS
  • Compressed Length :: 12.5in (31.75cm)
  • Extended Length :: 19.5in (49.53cm)
  • Spring Rate :: 250-300 Lbs
  • Coil Upper I.D. :: 2.5in (6.35cm)
  • Coil Lower I.D. :: 2.5in (6.35cm)
  • Tubing :: 2x3 lowers and 1.5" uppers
  • Travel :: 7in (17.78cm)
  • ----- :: OTHER
  • Hardware :: Included
  • Instructions :: Detailed Instructions
  • Design Location :: USA
  • Support :: USA Based Toll Free
  • Warranty :: Limited Lifetime Warranty
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©2026 Helix Suspension Brakes and Steering. All Rights Reserved. All other trademarks are the property of their respective owners.

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