Product Summary

2.3

  • Adjustable valve train kit, replaces the hydraulic lifter with our adjustable and mouse springs to keep the follower in place at high rpm
  • Kit includes eight lifter adjuster and threader inserts
  • Mouse springs sold separately, but required
  • Machining required, you must machine .200" off the lifter boss on your stock heads

Key Specs

MFG. Part #91519815
BrandSpeedway Motors

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Speedway Motors 91519815 Details

If you want to turn serious rpms, you have to get away from that hydraulic camshaft. With this adjustable valve train kit, you replace the hydraulic lifters with our adjusters and mouse springs to keep the follower in place at high rpm.

Adjuster kit includes eight lifter adjusters and threaded inserts. Mouse springs sold separately, but required (See-PN:91519812).

Machining Required: You must machine .200" off the lifter boss on your stock heads.

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Speedway Motors 91519815 Specifications

KEY SPECS
MFG. Part #91519815
BrandSpeedway Motors
GENERAL
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