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Superior construction for serious powerNGK makes plugs for almost any type of application and riding styleoperating heat ranges prevent fouling from running too cool and preignition from running too hotFeatures include high-alumina ceramics for improved...

Stringently tested with the highest quality standardsBuilt for long-lasting dependability and unmatched qualityMade from the highest-quality materials using smart technology Crankshaft Plain Bearing by Wrench Rabbit®. This top-grade product is expertly...

Stainless steel, forged one piece constructionExtremely light and fast flowingChromed stems and stellite tipsSpecial thick margins and modified radiusFully swirl polishedBlack nitride coating allows a higher resistance to wear along with reducing...

Stainless steel, forged one piece constructionExtremely light and fast flowingChromed stems and stellite tipsSpecial thick margins and modified radiusFully swirl polishedBlack nitride coating allows a higher resistance to wear along with reducing...

Stainless steel, forged one piece constructionExtremely light and fast flowingChromed stems and stellite tipsSpecial thick margins and modified radiusFully swirl polishedBlack nitride coating allows a higher resistance to wear along with reducing...

Stainless steel, forged one piece constructionExtremely light and fast flowingChromed stems and stellite tipsSpecial thick margins and modified radiusFully swirl polishedBlack nitride coating allows a higher resistance to wear along with reducing...

Stainless steel, forged one piece constructionExtremely light and fast flowingChromed stems and stellite tipsSpecial thick margins and modified radiusFully swirl polishedBlack nitride coating allows a higher resistance to wear along with reducing...

Stainless steel, forged one piece constructionExtremely light and fast flowingChromed stems and stellite tipsSpecial thick margins and modified radiusFully swirl polishedBlack nitride coating allows a higher resistance to wear along with reducing...

Stainless steel valves are manufactured to exacting tolerances from the highest-grade material; coated for longevity and peak performance

Stage 2: Dual cam engine.Intake and exhaust cams sold separately.Excellent top-end power increase and good over rev.Cam includes adjustable sprocket.Uses stock valve springs.

Stage 1: single-cam motor.Stage 1 has improved power at all RPMs over OEM.Performs well with stock air box lid and exhaust.Uses stock valve springs and rockers.Uses stock auto-decompression mechanism.

Stage 1: single-cam motor.Stage 1 has improved power at all RPMs over OEM.Performs well with stock air box lid and exhaust.Uses stock valve springs and rockers.Uses stock auto-decompression mechanism.