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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...

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.

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: Dual cam engine.Intake and exhaust cams sold separately.No bottom-end loss with strong mid-range to top-end gains.Cam uses stock auto-decompression mechanism.Uses stock valve springs.

Stage 1 Jet Kit without Filter by Seizmik®.

Spring sets are made of heavy-duty steel and outperform originalsSpring sets contain springs only

Spring sets are made of heavy-duty steel and outperform originalsSpring sets contain springs only

Spring sets are made of heavy-duty steel and outperform originalsSpring sets contain springs only

Specifications:Pitch: 520Chain Links: 124CC Rating: 250cc maxTensile Strength: 3,700 lb.Seal Type: Non O-RingFeatures:Increased strength and durabilityUnrivaled quality matched with excellent reliabilityWill serve you for many years to come

Specifications:Pitch: 520Chain Links: 116CC Rating: 250cc maxTensile Strength: 3,700 lb.Seal Type: Non O-RingFeatures:Increased strength and durabilityUnrivaled quality matched with excellent reliabilityWill serve you for many years to come

Specifications:Pitch: 520Chain Links: 114CC Rating: 250cc maxTensile Strength: 3,700 lb.Seal Type: Non O-RingFeatures:Increased strength and durabilityUnrivaled quality matched with excellent reliabilityWill serve you for many years to come