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Allstar Compression Tester gauge ALL96520 Tester checks cylinder compression from 0 to 300 psi and features an air-hold valve to reset gauge. One piece stepped brass end fitting with o-rings fits 14mm and 18mm spark plug threads. Easy to read 2-1/2" dial...

Allstar Spark Plug Gap Tool ALL96515 Tool properly cradles the spark plug to consistently set plug gaps using a standard feeler gauge. Insert plug into holder, place desired thickness of feeler gauge between ground strap and electrode then gently turn...

Allstar Spark Plug Index Tool ALL96510 Indexing positions the ground strap of the spark plug properly for best piston dome clearance and unshrouds the electrode for a more even burn and possible gains of 5-15 horsepower. Works with flat gasket or taper...

Allstar Spark Plug Index Shims 14mm Small O.D. ALL96506 Stackable 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...

Allstar Spark Plug Index Shims 14mm ALL96505 Stackable 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...

Allstar Valve Spring Compressor ALL96490 Tired of struggling with valve spring removal? Allstar Performance has the tool for you, our Valve Spring compressor is designed to remove high-pressure valve springs with little effort or slipping. Adjustable...

Allstar Freeze Plug Driver 1-3/4in ALL96485 Have problems installing freeze plugs? Use these plastic drivers for simple installation without damaging the plugs or the block. Three sizes per set: 1-1/2", 1-5/8", 1-3/4". Alternate Description FREEZE...

Allstar Freeze Plug Driver 1-5/8in ALL96484 Have problems installing freeze plugs? Use these plastic drivers for simple installation without damaging the plugs or the block. Three sizes per set: 1-1/2", 1-5/8", 1-3/4". Alternate Description FREEZE...

Allstar Freeze Plug Driver 1-1/2in ALL96483 Have problems installing freeze plugs? Use these plastic drivers for simple installation without damaging the plugs or the block. Three sizes per set: 1-1/2", 1-5/8", 1-3/4". Alternate Description FREEZE...

Allstar Freeze Plug Driver Set 3pc. ALL96482 Have problems installing freeze plugs? Use these plastic drivers for simple installation without damaging the plugs or the block. Three sizes per set: 1-1/2", 1-5/8", 1-3/4". Alternate Description ...

Allstar Rod Guide Extensions 4.5in 1pr ALL96481 Plastic tool slips over 3/8" or 7/16" rod bolts to aid piston installation and eliminate the chance of rod bolts hitting crank. A must for any engine builders toolbox. Alternate Description ROD GUIDE...

Allstar Rod Guide Tool ALL96480 Plastic tool slips over 3/8" or 7/16" rod bolts to aid piston installation and eliminate the chance of rod bolts hitting crank. A must for any engine builder’s toolbox. Alternate Description ROD GUIDE TOOL ...