These Swiftune die cast performance pistons are part of their new Heritage range and are manufactured by global leading F1 German piston manufacturer Mahle. These pistons have been developed using their 50 plus years of experience. Glyn Swift was using die cast pistons in the early '70s in the build of many competition A Series engines. These Heritage pistons go back to old school methods, offering high quality die cast and industry standard NPR ring pack. The same ring pack which is found in all of Swiftune's race engines. These pistons are available in +20, +40 and +60 and are for high performance road, clubman competition, rally, sprint, hillclimb and trackday. All at an affordable price for a top quality product from Formula One piston manufacturer. 1275cc becomes 1310cc
Tech spec:
• High silicone hypereutectic alloy
• Forced Pin oiling • 6.5cc bowl
• 2mm bowl offset
• 38.05mm compression height
• 59.65mm total length
• 1.2mm NPR Japan steel nitrided top ring
• 1.2mm NPR Japan cast second ring
• 4.0mm NPR Japan steel Nifflex oil ring
• Running clearance 0.06mm (0.0025”)
• 60.0mm x 20.638mm pin size (press fit pin)
• Case hardened pin to 57-65 HRC
• Circlip grooves for floating pin (pin optional)