Saves Thousands Of Dollars In Engine Repair Prevents Total Collapse Of Chain Tensions For those Porsche owners who prefer running the original equipment hydraulic chain tensioners, we very strongly recommend that you install Performance Products all new HydraStop. The HydraStop allows the hydraulic chain tensioner to function normally until there is a failure and collapse of one of the tensioners. With HydraStop the complete collapse is averted and the hydraulic tensioner is automatically changed into a mechanical chain tensioner. Learn More

Best Quality Replacement Valve Springs For Porsche® Includes Inner & Outer Spring Sold Each 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

1 Required Per Car Note: Brown Chain Guide Rail fits in lower right hand corner, brown is lower height than other five black guide rails. Learn More

Genuine Porsche PartReplacing 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

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

Located Behind The Camshaft Gear 2 Required Per Car 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

Kit Includes Gaskets, Washers & Bolts Learn More

6 Required Per Car Seal your heads the first time with original quality gaskets. Learn More

Includes two cam timing chain housing covers, oil lines, two tensioners,  and all necessary fittings & seals. Tech Tip: Right-side cam tower oil line requires an adapter for 1973 and earlier engines to insure proper spacing and to help prevent oil line breakage. 1968-80 updates, if the older chain wheel supports are used, then two chain wheel support spacers are necessary part number 901562. For Oil Line Adapter, Use Keyword - Adapter, or Search by Reference number 901567. 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

Stretch bolts are designed to be used only once and should be replaced every time you rebuild the engine. 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

Best Quality Replacement Intake Valve For Porsche® Replaces Genuine Part Exactly  Sold Each   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

All of our rod bearing sets are for a standard crank and rods. We do offer oversize bearings for some applications. Please call for price and availability. 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

VDO Cylinder Head Temperature Gauge A must for air cooled engines. Gauge accurately measures engine temperature at the heads utilizing a bi-metallic ring installed under a spark plug. 2-1/16 inch gauge requires special bracket or custom installation. Includes gauge, sender and wire harness. 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

Learn More