TTS Camshafts TTS Camshafts TTS Camshafts TTS Camshafts Harley Davidson Knucklehead cam camshaft *TZ17 eBay. Experience enhanced performance with the TTS 150 Camshaft, meticulously crafted for select Harley Davidson models from 2007 to 2017. This premium camshaft is designed to optimize torque in the 2200 5200 RPM range, ensuring a smooth power delivery throughout your engine's operating spectrum. Engineered for 88 117 CID with stock heads and pistons. Bolt in design compatible with stock springs and pushrods. Optimizes torque without compromising overall performance. Ideal for riders seeking improved acceleration and responsiveness. Compatible with a wide range of Harley Davidson models. This camshaft is perfect for those looking to enhance their riding experience while maintaining the integrity of their motorcycle's engine. It is designed for easy installation, making it an ideal choice for both seasoned mechanics and DIY enthusiasts. Details: Not recommended for compression over 10. 5: 1. All sales are final.