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Skunk2 Honda/Acura VTEC B Series Spring Type Lost Motion Assembly Kit

Take your Honda or Acura to the next level with Skunk2's Lost Motion Assembly Kit. This advanced spring device is designed to put pre-load on the center portion of the VTEC rocker when it's in the unlocked position, eliminating rattling and ensuring smooth engine operation.

Each Lost Motion Assembly is manufactured from chrome silicone steel using the latest 3D CAD modeling and FEA analysis for maximum optimization. The springs feature hardened tips for added durability and are 3% stiffer than ITR springs.

This kit replaces the factory piston-style LMA design with an improved design commonly found in newer generation Honda engines. It's recommended when installing aftermarket camshafts and required when installing Skunk2 Pro Series and other high-lift camshafts.

  • Set of 8 assemblies for an entire Honda DOHC VTEC B-Series 4-cylinder engine
  • Compatible with all camshafts
  • Manufactured from chrome silicone steel
  • Hardened tips for added durability
  • 3% stiffer than ITR springs
Make Model Year Type
Acura Integra 1992 GS-R
Acura Integra 1993 GS-R
Acura Integra 1994 GS-R
Acura Integra 1995 GS-R
Acura Integra 1996 GS-R
Acura Integra 1997 GS-R
Acura Integra 1997 Type R
Acura Integra 1998 GS-R
Acura Integra 1998 Type R
Acura Integra 1999 GS-R
Acura Integra 2000 GS-R
Acura Integra 2000 Type R
Acura Integra 2001 GS-R
Acura Integra 2001 Type R
Honda Civic 1999 Si
Honda Civic 2000 Si
Honda Civic del Sol 1994 VTEC
Honda Civic del Sol 1995 VTEC
Honda Civic del Sol 1996 VTEC
Honda Civic del Sol 1997 VTEC
Skunk2 manufactures a wide variety of performance parts for sport compacts, with a focus on Honda and Acura. Their “Alpha” series products include connecting rods, crankshafts, valves, and valve springs. Other products include coilover suspension and other suspension components, headers, and full exhaust systems. Skunk2’s experience in building high power Honda and Acura racecars has established them as a leader in high performance sport compact parts. Numerous wins and podium finishes in World Challenge, NHRA, and Grand-Am are proof of their performance.
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