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Type firstDescription
64 in Length
sized for Hypercoil and most Landrum bump springs
or trailer
1961-1966 Chevrolet Suburban
1967-1972 Chevrolet Camaro
Allstar Performance Spark Plug Index Shims 14mm Dash Accessories 64 in LengthStackable shims index spark plugs at 30 intervals up to 360, properly positioning ground strap in cylinder head for increased power and clearance between spark plug and piston. Shims are intended for use with 14mm flat seat spark plugs only. Package of 24 shims contains 12 silver 60, 12 black 90, detailed instructions, and dial chart. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find,
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
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