Carrillo M1044 Stroker Piston Kit 102mm Bore 88mm Stroke 11:1 Compression

The Carrillo M1044 is a high-performance stroker piston kit engineered specifically for 2002-2005 Yamaha Raptor and Rhino 660 engines. This complete kit increases displacement from the stock 660cc to 686cc through a combination of a +2mm oversize bore (102mm) and a +4mm longer stroke (88mm), delivering significant gains in horsepower and torque for racing and performance applications.

Key Specifications:

• Bore: 102mm (+2mm oversize)
• Stroke: 88mm (+4mm stroker)
• Compression Ratio: 11.0:1
• Displacement: 686cc (up from 660cc stock)
• Complete Kit Number: CPK1044
• Compatible Rod Number: 5020
• Piston Rings: CPN-4016 (top compression rings) and D38-4015-0 (oil ring)

Performance Features:

• Manufactured from premium 2618-T61 forged aluminum alloy for exceptional strength and heat resistance
• Double pin oilers provide enhanced lubrication to the wrist pin for improved durability
• Advanced cam and barrel skirt profiles reduce friction and piston noise while promoting better ring seal
• Precision-machined ring grooves for optimal ring sealing and combustion efficiency
• Accumulator groove design for improved oil distribution
• Anti-detonation grooves protect against engine damage under high-stress conditions
• Lightweight chromoly wrist pins included for reduced reciprocating mass

This piston kit is designed to work with Hot Rods +4mm stroker crankshafts and includes all necessary components including piston, rings, wrist pin, and locks. CP-Carrillo pistons are manufactured in the USA and represent the pinnacle of powersports piston technology, trusted by professional racing teams worldwide for their precision engineering and uncompromising quality.

Note: Requires machine work for cylinder boring to 102mm and installation of +4mm stroker crankshaft. Complete gasket kit (C7798) recommended but sold separately.