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Browse this smaller range of Dyna – Engine & Gaskets. Check exact model-year fitment and specifications on each product page.
Description Replacement recessed dome pistons for 3-5/8" Big Bore applications. Will fit 84-99 Evolution Big Twin models with S&S SuperStock he...
View full detailsDescription Replacement recessed dome pistons for 3-5/8" Big Bore applications. Will fit 84-99 Evolution Big Twin models with S&S SuperStock he...
View full detailsDescription The most popular large capacity option for 66-84 Shovelhead models. This kit gives both dependability and a good performance increase. ...
View full detailsDescription 1.249" OD. Includes crankpin nuts and crankpin woodruff key. FitmentL81-99 Big Twin (Excl. Twin Cam) (NU)Product Details Brand: S&...
View full detailsDescription 1.250" O.D. Includes crankpin nuts and crankpin woodruff key. FitmentL81-99 Big Twin (NU) (Excl. TC)Product Details Brand: S&S Ca...
View full detailsDescription 1.251" OD. Includes crankpin nuts and crankpin woodruff key. FitmentL81-99 Big Twin (NU) (Excl. TC)Product Details Brand: S&S Cat...
View full detailsDescription 1.252" OD. Includes crankpin nuts and crankpin woodruff key. FitmentL81-99 Big Twin (NU) (Excl. TC)Product Details Brand: S&S Cat...
View full detailsDescription 1"-20 threaded. Replacement for OEM and S&S crankpins. Repl. 23969-83 and 23981-98. Fitment L81-99 Big Twin (Excl. Twin Cam). All S...
View full detailsDescription Two used. Repl. 23985-18. Fitment Crankpin: 52-E81 K, XL Sportster 30-E81 Big Twin 37-48 74"/80" Flatheads 29-73 45" W, G Flatheads (NU...
View full detailsDescription Crankpin & pinion shaft. Repl. 11218. FitmentL81-99 Big Twin (Excl. TC) (NU) : crankpin. L81-88 Big Twin (NU) : pinion shaft. L81-9...
View full detailsDescription Compatible with stock or S&S rocker boxes. Rocker arm ratio 1.50 (stock Shovel 1.43 ratio). Forged from 4140 steel; heat treated an...
View full detailsDescription Will not fit stock Shovelheads. Designed for use with Evo style cam and S&S Evo tappets and tappet blocks for Shovelheads. Drilled;...
View full detailsDescription Standard 8:1 compression ratio. Used as stock replacement for 1340 (80") Shovelhead models; 3-1/2" bore with stock 4-1/4" stroke. These...
View full detailsDescription Standard 8:1 compression ratio. Used as stock replacement for 1340 (80") Shovelhead models; 3-1/2" bore with stock 4-1/4" stroke. These...
View full detailsDescription Standard 8:1 compression ratio. Used as stock replacement for 1340 (80") Shovelhead models; 3-1/2" bore with stock 4-1/4" stroke. These...
View full detailsDescription High 9:1 (53cc dome) compression ratio. Fits as a direct replacement for 1340 (80") Shovelhead models; 3-1/2" bore with stock 4-1/4" st...
View full detailsDescription High 9:1 (53cc dome) compression ratio. Fits as a direct replacement for 1340 (80") Shovelhead models; 3-1/2" bore with stock 4-1/4" st...
View full detailsDescription High 9:1 (53cc dome) compression ratio. Fits as a direct replacement for 1340 (80") Shovelhead models; 3-1/2" bore with stock 4-1/4" st...
View full detailsDescription High 9:1 (53cc dome) compression ratio. Fits as a direct replacement for 1340 (80") Shovelhead models; 3-1/2" bore with stock 4-1/4" st...
View full detailsDescription Forged piston set. For 41-78 1200cc (74") Knuckle; Panhead; Shovel and 1340cc Shovel. Fits engines with stroker flywheels and stock 3-7...
View full detailsDescription Forged piston set. For 41-78 1200cc (74") Knuckle; Panhead; Shovel and 1340cc Shovel. Fits engines with stroker flywheels and stock 3-7...
View full detailsDescription Forged piston set. For 41-78 1200cc (74") Knuckle; Panhead; Shovel and 1340cc Shovel. Fits engines with stroker flywheels and stock 3-7...
View full detailsDescription Forged piston set. For 41-78 1200cc (74") Knuckle; Panhead; Shovel and 1340cc Shovel. Fits engines with stroker flywheels and stock 3-7...
View full detailsDescription Forged piston set. For 41-78 1200cc (74") Knuckle; Panhead; Shovel and 1340cc Shovel. Fits engines with stroker flywheels and stock 3-7...
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