Head bolts play a vital role in the sealing of the combustion chamber, oil/coolant channels and ambient air. Therefore, we recommend our Mahle cylinder head bolt set for the task. Having met and exceeded OEM specifications, these quality bolts are suited for standard and mildly modified applications. These are torque-to-yield (TTY) bolts which means they are designed to be tightened past their elastic limit, guaranteeing high and uniform clamping forces. Other benefits include pre-applied sealant to the threads eliminating the use of thread locker and no-retorquing is necessary after correct installation procedures have been followed.

This head bolt set suits Holden vehicles fitted with Buick LN3 and L27 V6 engines.

Contents:

• 16 X Head bolt

Vehicle Fitment Guide

Note: Like most factory head bolts, these also are TTY (torque-to-yield) meaning replacement is an absolute necessity once they have been elongated beyond their elastic limit.

This standard replacement ignition coil is designed to meet and exceed OEM specifications when it comes to performance and durability. Each ignition coil has been checked and tested so you can be assured of quality fitment every time. This suits a range of Commodores and similar platforms fitted with the V8 engines.

These coils come with a 3 year/100,000km parts only warranty.

Contents:

• 1 X Ignition coil

Vehicle Fitment Guide

Note: A set of 8 ignition coils can be purchased through another listing.

These Mace MLS (Multi-Layer Steel) head gaskets are comprised of five layers of steel. The outer layers are an embossed viton coated stainless steel providing a superior seal with excellent rebound characteristics and corrosion resistance. MLS head gaskets reduce bore distortion and withstand extreme cylinder pressures. These can be used as standard replacement head gaskets but are more suited to higher calibre builds.

A surface finish of 50 RA (roughness average) or finer, is recommended on the head and block for a proper gasket seal. Anything rougher may conflict with the gasket design.

Specifications:

• Bore size: 3.84''
• Thickness: 0.066"

Contents:

• 1 X Cylinder head gasket set

Vehicle Fitment Guide

Notes:

• The image is for illustrative purposes only.
• It is highly recommended copper coat is used when installing these gaskets.
• Standard bore size is 3.80" so ideally, these gaskets would be more suited for oversized bores. However, they are still compatible with standard size. We have other listings for MLS gaskets that specifically suit standard size.

We have formed a series of high-performance camshaft and memcal packages for your VS.III and VT.I Holden 5L V8. Designed to deliver real-world horsepower gains of up to 35%, our cams are intended to wake your 304 right up and put the enjoyment back into driving.

Stage 3 Kit: Improved top end power 
This camshaft kit must be used in conjunction with a full free-flowing exhaust system and minor head work for maximum performance. It provides a power gain of 35% between 2000 and 6500rpm. Despite the excellent high-performance characteristics of this package, the engine remains tractable and responsive at low speed while adopting that old-school choppy idle. A standard torque converter can be used on automatic-equipped vehicles but we recommend a 2000rpm stall converter to enhance acceleration.

Contents:

• 01 X High performance camshaft
• 01 X Tailor made memcal
• 16 X Crow Cams performance valve spring
• 32 X Crow Cams hardened valve lock

Camshaft Specifications

Vehicle Fitment Guide

Parts Guide

Please select the part number you require from the dropdown menu by utilizing our fitment guide and parts guide.

Notes:

• Memcals in these packages are calibrated by Mace and we have strict guidelines in terms of what modifications our memcals support. Your setup's compatibility will be determined on the basis of the filled out application form. In case of non-compatibility, you can either change your setup to a compatible one or we can supply you with the package without the memcal. *CLICK HERE* to download the blank application form and send it back to info@maceengineering.com.au
• Our memcals will not be compatible with stroker kits or forced induction. For these cases it is recommended that the vehicle gets a custom dyno tune to ensure it is safe.
• Genuine broadcast memcal number (4 letter code on sticker attached to factory fitted memcal) will be required in most cases to confirm the operating system.
• Pushrod length will require checking if heads have been skimmed or block has been decked.
• We recommend dialing in all aftermarket cams using a degree wheel to ensure that they’re phased correctly with the crankshaft. You can do this by using our 8" or 11" degree wheel listed in other ads.
• Gasket kits to suit this engine can be purchased through other listings.

We have formed a series of high-performance camshaft and memcal packages for your VN - VS.II Holden 5L V8. Designed to deliver real-world horsepower gains of up to 35%, our cams are intended to wake your 304 right up and put the enjoyment back into driving.

Stage 1 Kit: Improved torque and economy

Our stage 1 kit provides a power gain of 15% between 1200 and 4200rpm. Perfect for towing, normal driving, and highway cruising. It’s also ADR compliant.

Contents:

• 01 X Crow Cams High performance camshaft
• 01 X Tailor made memcal
• 01 X Assembly lube
• 16 X Crow Cams iron lifter

Stage 2 Kit: Improved mid-range power

We recommend this kit be used in conjunction with at least a 2.5” twin cat exhaust for maximum performance. This package provides a maximum power gain of 20% between 1900 and 5000rpm. This increase has been achieved without sacrificing any noticeable low-end torque or drivability. This kit can also be ADR compliant.

Contents:

• 01 X Crow Cams High performance camshaft
• 01 X Tailor made memcal
• 01 X Assembly lube
• 16 X Crow Cams iron lifter
• 16 X Crow Cams performance valve spring

Stage 3 Kit: Improved top end power

This camshaft kit must be used in conjunction with a full free-flowing exhaust system and minor head work for maximum performance. It provides a power gain of 35% between 2400 and 5500rpm. Despite the excellent high-performance characteristics of this package, the engine remains tractable and responsive at low speed while adopting that old-school choppy idle. A standard torque converter can be used on automatic-equipped vehicles, but we recommend a 2000rpm stall converter to enhance acceleration.

Contents:

• 01 X Crow Cams High performance camshaft
• 01 X Tailor made memcal
• 01 X Assembly lube
• 16 X Crow Cams iron lifter
• 16 X Crow Cams performance valve spring
• 32 X Crow Cams hardened valve lock

Camshaft Specifications

Vehicle Fitment Guide

Parts Guide

Please select the part number you require from the dropdown menu by utilizing our fitment guide and parts guide.

Notes:

• Memcals in these packages are calibrated by Mace and we have strict guidelines in terms of what modifications our memcals support. Your setup's compatibility will be determined on the basis of the filled out application form. In case of non-compatibility, you can either change your setup to a compatible one or we can supply you with the package without the memcal. *CLICK HERE* to download the blank application form and send it back to info@maceengineering.com.au
• Our memcals will not be compatible with stroker kits or forced induction. For these cases it is recommended that the vehicle gets a custom dyno tune to ensure it is safe.
• Genuine broadcast memcal number (4 letter code on sticker attached to factory fitted memcal) will be required in most cases to confirm the operating system.
• Pushrod length will require checking if heads have been skimmed or block has been decked.
• We recommend dialing in all aftermarket cams using a degree wheel to ensure that they’re phased correctly with the crankshaft. You can do this by using our 8" or 11" degree wheel listed in other ads.
• Gasket kits to suit this engine can be purchased through other listings.
• The images are for illustrative purposes only.

The Mahle VRS gasket kit has been manufactured to meet the standards of OEM and high-performance gaskets. All gaskets included in this kit meet or exceed the original equipment specifications providing the finest sealing products available.

This VRS gasket kit suits Holden vehicles fitted with Alloytec LY7, LCA and LE0 V6 engines. 

Contents:

• 01 X Upper inlet manifold gasket
• 01 X Lower inlet manifold gasket
• 01 X Thermostat housing gasket
• 01 X Thermostat seal
• 02 X Cylinder head gasket
• 02 X Valve cover gasket
• 02 X Chamber gasket
• 02 X Throttle body gasket
• 02 X Water outlet o-ring
• 02 X Exhaust manifold gasket
• 03 X O-ring
• 06 X Spark plug tube seal
• 24 X Valve stem seal
• 26 X Valve cover grommet

Vehicle Fitment Guide

Note: Fuel injector o-rings and cylinder head bolts are not included but can be purchased through another listing.

Stage 1

This cam is designed for use on totally stock heads and stock components up to 6000 rpm. It is recommended to upgrade valve springs to increase performance and allow shifting over 6000 where peak power is made. PCM programming required. Expect gains of 26-37kW depending on your car's current configuration.

Stage 2

This cam is designed for supercharged or nitrous applications on ecotec and L67 bottom ends. It produces the highest power and torque figures than any cam grind currently available with stock heads. An even smaller pulley can be used compared to CAM604. Peak power is 200rpm higher than CAM604. Upgraded valvetrain is mandatory (cam packages available through another ad). PCM programming required. Expect gains of 30-45kW depending on your car's current configuration.

Stage 3

This cam is not for the fainthearted! CAM606 was developed to maximize the HP of an L67 in an all out build i.e stroked, balanced, blueprinted, etc. CAM606 requires ported heads with machined valve guides and a complete valvetrain upgrade. Given the base circle diameter varies between lobes custom length pushrods are also required (cam packages available through another ad). PCM programming essential. No other cam makes the power of this cam in a 3.8L, period. Idle is similar to CAM605 with roughly 13 inches of vacuum. Expect gains of 40+kW depending on your car's current configuration.

Camshaft Specifications

Vehicle Fitment Guide

Parts Guide

Please select the part number you require from the drop down menu by utilising our fitment guide and parts guide.

Notes:

• Valve lifts are based on factory rocker ratio of 1.6:1.
• The image is for illustrative purposes only.

Stage 2 - CAM649

Performance based cam for standard engines. Provides good mid-range power tailored for spirited street enthusiasts. A full exhaust system, cold air intake, valvetrain upgrade and tune post installation is recommended with this cam. Expect gains of 18-25kW depending on your car's current configuration.

Stage 3 - CAM650

Performance street/strip cam for modified engines. This cam was designed to squeeze the most out of your 3800cc Buick V6. To make full use of this cams capability, we recommend a light head work, a full exhaust system, cold air intake, valvetrain upgrade and tune post installation. Expect gains of 20-30kW depending on your car's current configuration.

Vehicle Fitment Guide

Camshafts Specifications

Please select the part number you require from the dropdown menu by utilizing our fitment guide and camshafts specifications.

Notes:

• Pushrod length will require checking if heads have been skimmed or block has been decked.
• Dyno tune is required post installation on stage 2 and 3 cams. In some cases we may be able to supply a tune to suit. Please refer to our cam and chip packages through another listing.
• We recommend dialing in all aftermarket cams using a degree wheel to ensure that they’re phased correctly with the crankshaft. You can do this by using our 8" or 11" degree wheel listed in other ads.
• Removing the timing cover may upset the sump gasket depending on certain models. We stock cork and metal sump gaskets if yours cannot be re-used.
• We have all gaskets available through other ads.
• The image is for illustrative purposes only.

Here at Mace Engineering, we pride ourselves in providing exceptional customer service and always look to go that extra mile when it comes to customer assistance. Therefore, we've finally put together a number of cam packages at a discounted price for all the L67 fans out there who don't want to waste time and feel misguided when it comes to mixing and matching parts. Each component has been selected to ensure the valve-train remains bullet-proof when it's most needed and the contents of each kit have been tailored to accommodate the cam that comes with it.

These sought after packages include every supporting part required for a full cam install. The camshafts themselves are from our current range (CAM604-CAM605-CAM606), so performance gains have been previously verified over an extended period of time. Please search the aforementioned cam part numbers in our other listings for comprehensive specifications; otherwise enjoy our headache-free, unambiguous and brand new cam packages.

Vehicle Fitment Guide 

Notes:

• Pushrod length will require checking if heads have been skimmed or block has been decked.
• Dyno tune is required post installation (we can recommend a local workshop in most cases).
• We recommend dialing in all aftermarket cams using a degree wheel to ensure that they’re phased correctly with the crankshaft. You can do this by using our 8" or 11" degree wheel listed in other ads.
• Removing the timing cover may upset the sump gasket depending on certain models. We stock cork and metal sump gaskets if yours cannot be re-used.
• Stage 2 & 3 Performance cam packages can be purchased through other listings.
• We have all gaskets available through other ads.
• The image is for illustrative purposes only.

Here at Mace Engineering, we pride ourselves in providing exceptional customer service and always look to go that extra mile when it comes to customer assistance. Therefore, we've finally put together a number of cam packages at a discounted price for all the L67 fans out there who don't want to waste time and feel misguided when it comes to mixing and matching parts. Each component has been selected to ensure the valve-train remains bullet-proof when it's most needed and the contents of each kit have been tailored to accommodate the cam that comes with it.

These sought after packages include every supporting part required for a full cam install. The camshafts themselves are from our current range (CAM604-CAM605-CAM606), so performance gains have been previously verified over an extended period of time. Please search the aforementioned cam part numbers in our other listings for comprehensive specifications; otherwise enjoy our headache-free, unambiguous and brand new cam packages.

Vehicle Fitment Guide 

Notes:

• Pushrod length will require checking if heads have been skimmed or block has been decked.
• Dyno tune is required post installation (we can recommend a local workshop in most cases).
• We recommend dialing in all aftermarket cams using a degree wheel to ensure that they’re phased correctly with the crankshaft. You can do this by using our 8" or 11" degree wheel listed in other ads.
• Removing the timing cover may upset the sump gasket depending on certain models. We stock cork and metal sump gaskets if yours cannot be re-used.
• Stage 1 & 3 Performance cam packages can be purchased through other listings.
• We have all gaskets available through other ads.
• The image is for illustrative purposes only.