Wiseco 6495B100 Quick 8 Series Professional Forged Piston 4.600 Bore 18-Degree Solid Dome Gas Ported

The Wiseco 6495B100 is a Professional Series Quick 8 forged racing piston designed for serious competition engine builds. Constructed from 2618 aerospace alloy, this individual replacement piston features an 18-degree solid dome profile with vertical gas ports for maximum ring seal under extreme power loads. Compatible with both naturally aspirated and nitrous applications, it is engineered to perform in engines with a 9.750-inch deck height.

Quick 8 Series Features:

• 18-Degree Solid Dome with 0.200-inch thick deck — allows custom valve pocket machining for severely angle-cut heads, or milling flat for a flat-top piston configuration
• Vertical Gas Ports — channels combustion pressure directly behind the top compression ring for superior ring-to-bore sealing on the power stroke while minimizing drag on all other strokes
• Strutted Forging Design — new-generation strutted 2618 alloy forging delivers exceptional strength while keeping piston weight low, eliminating the cracking risks associated with slab or full-round forgings
• 15 Pro Stock Pressure Seal Grooves — precision-machined ring grooves with anti-detonation grooves, reinforced decks, and calculated groove root diameters for maximum ring seal and minimized blow-by
• Tool-Steel Wrist Pins (S462) — included 0.180-inch wall thickness wrist pins resist flex under maximum power loads; pins included
• N/A and Nitrous Compatible — profiled dome geometry engineered to handle both naturally aspirated and nitrous oxide applications
• Optimized Valve Pockets — deep valve pocket designs accommodate oversized valves and high-lift camshafts for maximum intake charge flow
• Complex Skirt Profile — reduces power-robbing friction while maintaining bore stability for consistent ring seal throughout the RPM range

ArmorGlide Skirt Coating: All Quick 8 pistons receive Wiseco's proprietary ArmorGlide dry-film lubricant coating on the piston skirts. This permanently applied coating reduces friction, allows tighter piston-to-wall fitment than uncoated pistons, quiets piston rock, and improves wear resistance — without requiring break-in periods.

Additional Specifications:

• Series: Quick 8 / Professional
• Material: 2618 Forged Alloy
• Dome Style: 18-Degree Solid Dome
• Deck Height Fitment: 9.750 inches
• Included Wrist Pin: S462
• Recommended Ring Set: W77008-4600-5 (sold separately)
• Sold as: Individual/Replacement Piston
• Forged and machined in the USA at Wiseco's ISO-certified facility

Wiseco's Quick 8 Professional Series pistons are race-ready straight out of the box, trusted by championship-winning engine builders across drag racing, circle track, and high-performance street engine applications.