84-99 HARLEY EVO REVOLUTION PERFORMANCE 100" PISTON KIT 9.5:1 | NEW | RP301-214W

1984-1999 Harley-Davidson Evolution Revolution Performance 100" Big Bore Piston Kit | 9.5:1 Flat Top | NEW | Part #RP301-214W

Offered here is a brand new genuine Revolution Performance 100" big bore piston kit, Part #RP301-214W, also sold as Drag Specialties Part #0910-6387. This is the replacement piston kit for the Revolution Performance 100" Bolt-On Big Bore Kit on Harley-Davidson Evolution Big Twin engines. It is built for a 3-7/8" bore with the stock 4-1/4" Evo stroke, and its flat-top pistons produce a street-friendly 9.5:1 compression ratio. Use it to freshen up or rebuild a 100" Revolution top end.

Confirmed Fitment – Part #RP301-214W:

• 1984-1999 Harley-Davidson Evolution Big Twin engines equipped with Revolution Performance 100" Bolt-On Big Bore cylinders
• 1984-1999 Harley-Davidson Softail Evolution models
• 1991-1998 Harley-Davidson Dyna Evolution models
• 1984-1998 Harley-Davidson Touring FLH / FLT Evolution models
• 1984-1994 Harley-Davidson FXR Evolution models
• Required: Revolution Performance Big Bore cylinders. Not recommended for cast-iron or ductile-sleeved cylinders

Product Highlights:

• 100% Genuine Revolution Performance – Part #RP301-214W
• Drag Specialties cross-reference – Part #0910-6387
• 100" displacement
• 3-7/8" bore size
• 4-1/4" stroke length
• 9.5:1 compression ratio
• Flat-top piston head design
• Custom-forged pistons made from high-strength aluminum alloy
• Skirt-coated pistons with high-tension compression rings and 3mm oil scraper rails
• Offset pin design for smoother operation
• Built for greater operating strength and lower expansion at high temperatures
• Street riding style
• Made in the U.S.A.

What Is Included:

• Revolution Performance piston kit, Part #RP301-214W: pistons with skirt coating, rings, chrome piston pins, and retainer clips

Search Keywords:

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Please confirm Part #RP301-214W fits your motorcycle and cylinder setup prior to purchase. Your order ships quickly and securely with full tracking from our warehouse. Buy with confidence: this is genuine Revolution Performance, brand new, and shipped from inventory we have on hand.