Wiseco RED0081X135 -15cc Dish Forged Piston Set 4.135 Bore 1.294 Compression Height

The Wiseco RED0081X135 is a forged performance piston set designed for Chevrolet engines built to a 4.135-inch overbore diameter. Featuring a -15cc dish top design, these pistons are engineered to deliver a controlled compression ratio reduction, making them well-suited for forced induction, high-compression naturally aspirated, or rebuilding applications where precise compression management is required.

Key Features:

• Bore Diameter: 4.135 inches (+0.135" oversize)
• Compression Height: 1.294 inches
• Top Design: -15cc dish for compression ratio tuning
• Construction: CNC-machined forged aluminum for superior strength and durability
• Application: Chevrolet V8 engines
• Wiseco's proprietary forging process provides high tensile strength and reduced weight versus cast alternatives
• Precision-machined to tight tolerances for optimal ring seal and minimal blow-by

Wiseco is a trusted name in performance engine building, with decades of experience supplying forged pistons to professional engine builders and racers. The RED0081X135 set is ideal for engine rebuilds requiring an overbore and specific compression height to match custom rod and stroke combinations.