These O-Rings are installed into the grooves of the rocker shaft. This keeps oil from seeping past the cam tower and onto your exhaust. Developed by Porsche for race engines and are a perfect update for the street. 24 required per engine. Learn More
Our OEM valve guides are made in europe by the original equipment manufacturers. Our Manganese Bronze valve guides are the latest performance valve guide used in higher performance applications worldwide. Available for most applications. Learn More
Worn out rocker arms retard cam timing and rob power. Replace worn arms at savings over factory prices. These aren't imitation rocker arms like you often see at discount outlets. Ours are the latest heavy-duty 930 rockers for optimum reliability. Learn More
Worn out rocker arms retard cam timing and rob power. Replace worn arms at savings over factory prices. These aren't imitation rocker arms like you often see at discount outlets. Ours are the latest heavy-duty 930 rockers for optimum reliability. Learn More
Replacement Timing Chain Standard Chain One Piece Replaces Porsche® Part Number 993.105.529.00 Tech Tip: If you detect a chain clap or rattling noise in engine, your timing chain may be worn or stretched and need replacement. Learn More
Replacement Timing Chain You No Longer Have To Split Engine Cases To Replace The Timing Chain Includes Master Link Replaces Porsche® Part Number 911.105.529.50 Tech Tip: If you detect a chain clap or rattling noise in engine, your timing chain may be worn or stretched and need replacement. Learn More
Worn out rocker arms retard cam timing and rob power. Replace worn arms at savings over factory prices. These aren't imitation rocker arms like you often see at discount outlets. Ours are the latest heavy-duty 930 rockers for optimum reliability. Learn More
Worn out rocker arms retard cam timing and rob power. Replace worn arms at savings over factory prices. These aren't imitation rocker arms like you often see at discount outlets. Ours are the latest heavy-duty 930 rockers for optimum reliability. Learn More
Genuine Porsche Part This Is Just The Dowel Pin Only Late-style 1980-on chain wheel supports add insurance against premature chain tensioner failure. Improved geometry reduces the angularity loading, prolonging tensioner seal life. This also reduces side-loads on the chain wheel support pin, preventing damage to your expensive chain housing. Remember to inspect the cam wheel and chain sprockets, as well as the intermediate shaft gear. Learn More
Worn out rocker arms retard cam timing and rob power. Replace worn arms at savings over factory prices. These aren't imitation rocker arms like you often see at discount outlets. Ours are the latest heavy-duty 930 rockers for optimum reliability. Learn More
Replacing chain tensioners is a fairly common repair on 911/930s. Upgrading to oil-pressure-fed chain tensioners will help eliminate the possibility of failure and engine damage. When replacing or updating your chain tensioners, take the opportunity to check and adjust your cam timing for optimum performance. Factory specs will give you a plus or minus tolerance. It pays to have patience and adjust it exactly to the specs, especially from left to right cam. You will notice better throttle response and power with spot-on timing. Learn More
Best Quality Replacement Timing Cover Gasket Set For Porsche® High Performance Set Replaces Genuine Parts Exactly Includes Hardware, Gaskets & O-ring Seals Learn More
All main bearings are for standard case and crankshaft. We do offer undersize bearings for some applications, Please Call for price and availability. Tech Tip: To protect the main bearings during the critical first 30 seconds of running, we recommend coating bearings with Lubro Moly Assembly Lube. Learn More
Late-style 1980-on chain wheel supports add insurance against premature chain tensioner failure. Improved geometry reduces the angularity loading, prolonging tensioner seal life. This also reduces side-loads on the chain wheel support pin, preventing damage to your expensive chain housing. Remember to inspect the cam wheel and chain sprockets, as well as the intermediate shaft gear. Learn More
All main bearings are for standard case and crankshaft. We do offer undersize bearings for some applications, Please Call for price and availability. Tech Tip: To protect the main bearings during the critical first 30 seconds of running, we recommend coating bearings with Lubro Moly Assembly Lube. Learn More