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VAC Motorsports Performance Cylinder Head Service, BMW S68

Sat, 7 Feb 2026 11:38:33 GMT

VAC Motorsports Performance Cylinder Head Service, BMW S68
Buy Now: $1,999.95

All VAC cylinder head services are performed on existing customer cores. This requires the customer's core to be supplied to VAC for servicing.

If you do not have a core, then contact our sales team at Sales@VACmotorsports.com to have one sourced.

	Stage 1	Stage 2	Stage 3
CNC 5-Axis Porting	NO	NO	YES
Performance Valves	NO	NO	YES
Performance Springs	NO	YES	YES
Performance Retainers	NO	YES	YES
Valve Guides*	YES	YES	YES
Valve Seals	YES	YES	YES
Multi Angle Valve Job	YES	YES	YES
Resurfaced Mating Surface	YES	YES	YES
Complete Assembly	YES	YES	YES

*Reflects included Valve Guide Labor Costs, if new Valve Guides are required, then an additional charge will be added

VAC's Stage 1 Performance Cylinder Heads are always a popular choice when rebuilding an engine and a fantastic value in performance.

When considering the reconditioned cylinder head options we offer; Stage 1 offers performance gains at only a slightly higher price. Best of all, our Stage 1 heads are still Stock Class legal. A great choice for any vehicle.

Our Stage One Cylinder Heads feature the following:

Complete Disassembly & Cleaning
Comprehensive Leak, Crack & Pressure Test
Inspect All Components For Irregular Wear
Our High performance Multi Angle Valve Job using Serdi Equipment
All New VAC Uprated Valve Guides
Viton Valve Seals
Reconditioning & Blueprinting of Your Valves
Balancing of Your OE Springs
Trueness Checked & Resurfaced Mating Surface
Unshrouding of Valves
Attention to Potential Hot-spot Areas and Chamfering

VAC's Stage 3 Performance Cylinder Heads are the ULTIMATE in cylinder head technology and performance, crafted with more than 50+ years experience in the racing field.

Many of our cylinder heads are capable of 120-155 HP per liter N/A, and of course drastically more when used with forced induction. We have spent many, many years on the dyno, the flow bench, and even more years though world-wide racing experience to achieve such excellent results while being reliable enough to compete in professional motorsports. Our Stage 3 heads are intended to produce maximum peak horsepower while still maintaining excellent powerband, the crucial secret of the fastest race engines in the world!

Even though they are an extreme departure from stock, we have stage 3 heads for use on the ultimate street performance vehicle as well.

Our Stage 3 Cylinder Heads feature the following:

Complete Disassembly & Cleaning
Comprehensive Leak, Crack & Pressure Test
Inspect All Components For Irregular Wear
Our Superior Max Performance Multi-angle Intake, Radius Exhaust Valve Job Using Serdi Equipment
One-Piece High Performance Stainless Steel Valves, Balanced and Blueprinted (Standard or Oversized)
Unshrouding of Valves
Meticulous Port and Polish Work
Attention to Potential Hot-spot Areas and Chamfering
CC'ed and Chamber Reprofiling as Needed
All New VAC Up rated Valve Guides
Trueness Checked & Resurfaced Mating Surface
High Performance VAC Valve Springs, Balanced
Titanium Or Steel Alloy Valve Spring Retainers
Proprietary Tweaks to Improve Performance
Everything above is a Flow-Bench and real world tested design

Requirements:

A Core cylinder head is required for all head work, please call or email if you will no be supplying us with a head for updated core market price.
This price does not include installation of camshaft/s. Please request if required, additional charge of $99-179.

VAC Tech Tip:

Cleaning up the path of the intake and exhaust around the valves as well as a multi-angle valve job net power gains with no drawbacks! Every engine rebuild can benefit from this addition.

Visit Performance Heads to see additional products in this category.

VAC NA S65 476HP Engine Package | Naturally Aspirated BMW M3 V8

Tue, 20 Jan 2026 07:01:43 GMT

VAC NA S65 476HP Engine Package | Naturally Aspirated BMW M3 V8
Buy Now: $21,583.03

The BMW S65 is already a legendary platform--engineered by BMW's dedicated motorsport engineers and engine builders as a high-revving, naturally aspirated V8 with exceptional capability right out of the box.

What separates a VAC-built S65 from the rest isn't potential--it's reliability, longevity, and execution.

The VAC NA S65 476HP Engine Package takes BMW's proven foundation and elevates it through precision machining, engineered clearances, and disciplined assembly practices developed over decades of race-winning experience. The result is a naturally aspirated S65 that delivers repeatable power on pump gas, with the durability required to win races--and keep customers loyal.

VAC engines are winning races in SCCA, NASA, and BMW CCA Club Racing, as well as rally, hill climb, and vintage racing around the world, because they last.

ENGINE PACKAGE HIGHLIGHTS

476 HP naturally aspirated on pump gas
BMW S65 platform, refined by VAC, supplied by Customer
Precision-machined flanged sleeved block
Fully forged rotating assembly
VAC Stage 1 Performance Cylinder Heads
Built, balanced, and assembled in-house by VAC Motorsports
Designed for street, track, endurance, and competitive racing

WHAT'S INCLUDED - DETAILED LINE ITEMS

BLOCK, ROTATING ASSEMBLY & INTERNALS

VAC-FCS-S65-G1
VAC Flanged Cylinder Sleeve Set - S65 (92-92.5mm)
Precision flanged sleeves installed to increase cylinder strength, stability, and long-term durability--especially critical for sustained high-RPM naturally aspirated operation.
$1,439.95

CP-FPS-S65-92.5-12
CP Forged Piston Set - S65, 92.5mm, 12:1 Compression
Forged pistons optimized for naturally aspirated performance, thermal stability, and pump gas reliability.
$1,799.95

CP-U-Coat-Skirt
CP Teflon Skirt Coating (8 pistons)
Reduces friction, improves cold-start wear characteristics, and extends piston life under race conditions.
$320.00

SP-CRS-S65
SP Connecting Rod Set - S65, Standard Length
High-strength forged rods designed for sustained high-RPM and endurance use.
$1,599.95

VAC-HPMBS-S65
VAC High Performance Main Bearing Set - S65
Engineered bearing clearances tailored for durability and consistent oil control.
$599.95

VAC-HPRBS-S65-X
VAC High Performance Rod Bearing Set - S65 (Extra Clearance)
Designed for high-load, high-RPM naturally aspirated builds that see real track time.
$559.95

FASTENERS, GASKETS & TIMING COMPONENTS

(unchanged)

CYLINDER HEADS & MACHINING

VAC-S1PCH-S65

VAC Stage 1 Performance Cylinder Heads - BMW S65

The VAC Stage 1 Performance Cylinder Head is a precision OEM-plus solution designed to improve durability, valve stability, and sealing accuracy while retaining BMW's original port geometry.

Stage 1 is ideal for naturally aspirated S65 builds where longevity and consistency matter more than peak airflow numbers--making it the correct choice for endurance racing, HPDE, and street-driven performance cars.

All Stage 1 cylinder heads are machined, assembled, and quality-controlled in-house at VAC Motorsports.

Stage 1 Includes:

New valve guides (all positions)
New valve seals
Precision multi-angle performance valve job
Resurfaced cylinder head mating surface
Complete cylinder head assembly, ready for installation

$2,100.00

LABOR & ASSEMBLY

LAB-11-CER-8-4V
BMW "All Aluminum" V8 Engine Rebuild Labor
Full teardown, inspection, machining prep, rotating assembly, cylinder head installation, timing, and final assembly--performed entirely in-house.
$8,995.00

LAB-11-BC-V-8
Crankshaft Balancing - V8
Precision balancing ensures smooth operation and long-term reliability at sustained high RPM.
$499.95

CREDITS & ADJUSTMENTS (APPLIED)

Overlapping labor credit: -$1,500.00
Courtesy discount: -$675.00

TOTAL ENGINE PACKAGE INVESTMENT

$21,589.03

(Naturally Aspirated undefined Pump Gas undefined 476 HP)

Sales tax not included. Pricing subject to change based on configuration or optional upgrades. Customer Supplied Engine

WHY VAC ENGINES WIN

BMW built the S65 to be capable.
VAC builds it to last.

Our engines are trusted worldwide because they combine BMW's engineering with VAC's obsessive attention to machining accuracy, oil control, clearances, and assembly discipline. That's why VAC-built engines continue to win races across multiple disciplines--and why customers come back build after build.

WHO THIS PACKAGE IS FOR

BMW E9X M3 owners seeking maximum naturally aspirated performance
Track-day, endurance, and club racing competitors
Drivers who value throttle response, durability, and consistency
Customers who want VAC-level execution--not shortcuts

OPTIONAL UPGRADES

Performance camshafts
Intake and exhaust optimization
ECU calibration
Stage 2 or Stage 3 cylinder heads
Future forced-induction readiness

READY TO BUILD YOUR S65 THE RIGHT WAY?

Contact VAC Motorsports to discuss lead time, options, and scheduling.

Built in-house. Proven on track. Trusted worldwide.

Visit Performance Heads to see additional products in this category.

VAC Motorsports Billet Aluminum Wet Block, BMW M50/M52/S50/S52

Thu, 17 Sep 2020 12:50:51 GMT

VAC Motorsports Billet Aluminum Wet Block, BMW M50/M52/S50/S52
Buy Now: $10,999.95

Lighter, Stronger & More POWER

We are excited tointroduce our new M50/M52/S50/S52 Billet Blocks for everythingfrom the most extreme forced induction street cars, to lightweight naturally aspiratedrace cars and high horsepower drag cars. This block can function as a direct replacement for the factory cast block or as a dry sumped stroker motor andeverything in between; the choice is entirely up to you.

Features:

Wet block for street and track driveability
High strength 6061-T6 Aluminium block machined in house from solid billet
Heat treated after machining for maximum durability
Extreme weight savings over factory iron block.
Oversized 12 mm Custom Age 625+ head studs that anchor 4" deep from the deck surface
Custom heavy duty wet sleeves
Four bolt main caps on the middle journals
Custom Age 625+ ARP main studs
Accepts factory oil filter housing
Accepts factory timing covers
Accepts factory front and rear main seals
Compatible with factory water pump
Compatible with factory oil pump, oil pan, and dip stick
Compatible with factory alternator, power steering and air conditioning
Factory engine mount locations
Individually serial numbered block

Requires:

12 mm Custom Age 625+ head studs (Additional cost)

Custom heavy duty wet sleeves pre-installed

Boring, honing and decking (Additional cost)

7075 Billet aluminum 4 bolt main caps (Additional cost)

Custom Age 625+ main studs (Additional cost)

Optional Upgrades:

VAC Stage 3 Performance Cylinder Head

VAC Billet Stroker Crankshaft

VAC 3.4L/3.5L Premium Stroker Kit

VAC High Volume Oil Pump

VAC Dry Sump Kit

Billet Timing Cover

VAC Solid Engine Mounts

ATI/VAC Harmonic Balancer

Visit Performance Heads to see additional products in this category.

VAC Motorsports Performance Cylinder Head Service, BMW S63

Thu, 14 Nov 2019 05:57:18 GMT

VAC Motorsports Performance Cylinder Head Service, BMW S63
Buy Now: $1,999.95

All VAC cylinder head services are performed on existing customer cores. This requires the customer's core to be supplied to VAC for servicing.

If you do not have a core, then contact our sales team at Sales@VACmotorsports.com to have one sourced.

	Stage 1	Stage 2	Stage 3
CNC 5-Axis Porting	NO	NO	YES
Performance Valves	NO	NO	YES
Performance Springs	NO	YES	YES
Performance Retainers	NO	YES	YES
Valve Guides*	YES	YES	YES
Valve Seals	YES	YES	YES
Multi Angle Valve Job	YES	YES	YES
Resurfaced Mating Surface	YES	YES	YES
Complete Assembly	YES	YES	YES

*Reflects included Valve Guide Labor Costs, if new Valve Guides are required, then an additional charge will be added

VAC's Stage 1 Performance Cylinder Heads are always a popular choice when rebuilding an engine and a fantastic value in performance.

Our Stage One Cylinder Heads feature the following:

Complete Disassembly & Cleaning
Comprehensive Leak, Crack & Pressure Test
Inspect All Components For Irregular Wear
Our High performance Multi Angle Valve Job using Serdi Equipment
All New VAC Uprated Valve Guides
Viton Valve Seals
Reconditioning & Blueprinting of Your Valves
Balancing of Your OE Springs
Trueness Checked & Resurfaced Mating Surface
Unshrouding of Valves
Attention to Potential Hot-spot Areas and Chamfering

VAC's Stage 3 Performance Cylinder Heads are the ULTIMATE in cylinder head technology and performance, crafted with more than 50+ years experience in the racing field.

Even though they are an extreme departure from stock, we have stage 3 heads for use on the ultimate street performance vehicle as well.

Our Stage 3 Cylinder Heads feature the following:

Complete Disassembly & Cleaning
Comprehensive Leak, Crack & Pressure Test
Inspect All Components For Irregular Wear
Our Superior Max Performance Multi-angle Intake, Radius Exhaust Valve Job Using Serdi Equipment
One-Piece High Performance Stainless Steel Valves, Balanced and Blueprinted (Standard or Oversized)
Unshrouding of Valves
Meticulous Port and Polish Work
Attention to Potential Hot-spot Areas and Chamfering
CC'ed and Chamber Reprofiling as Needed
All New VAC Up rated Valve Guides
Trueness Checked & Resurfaced Mating Surface
High Performance VAC Valve Springs, Balanced
Titanium Or Steel Alloy Valve Spring Retainers
Proprietary Tweaks to Improve Performance
Everything above is a Flow-Bench and real world tested design

Requirements:

A Core cylinder head is required for all head work, please call or email if you will no be supplying us with a head for updated core market price.
This price does not include installation of camshaft/s. Please request if required, additional charge of $99-179.

VAC Tech Tip:

Cleaning up the path of the intake and exhaust around the valves as well as a multi-angle valve job net power gains with no drawbacks! Every engine rebuild can benefit from this addition.

Visit Performance Heads to see additional products in this category.

VAC Performance Cylinder Head Service, BMW S65

Wed, 27 Aug 2008 08:53:00 GMT

VAC Performance Cylinder Head Service, BMW S65
Buy Now: $1,799.95

All VAC cylinder head services are performed on existing customer cores. This requires the customer's core to be supplied to VAC for servicing.

If you do not have a core, then contact our sales team at Sales@VACmotorsports.com to have one sourced.

	Stage 1	Stage 2	Stage 3
CNC 5-Axis Porting	NO	NO	YES
Performance Valves	NO	NO	YES
Performance Springs	NO	YES	YES
Performance Retainers	NO	YES	YES
Valve Guides*	YES	YES	YES
Valve Seals	YES	YES	YES
Multi Angle Valve Job	YES	YES	YES
Resurfaced Mating Surface	YES	YES	YES
Complete Assembly	YES	YES	YES

*Includes Valve Guide Labor Costs. If new Valve Guides are required, then an additional charge will be added.

VAC Tech Tip:

Cleaning up the path of the intake and exhaust around the valves as well as a multi-angle valve job net power gains with no drawbacks! Every engine rebuild can benefit from this addition.

Visit Performance Heads to see additional products in this category.

VAC M20 Head Modification Service: Use "i" Camshaft in "eta" Head

Fri, 21 Sep 2007 06:11:00 GMT

VAC M20 Head Modification Service: Use "i" Camshaft in "eta" Head
Buy Now: $199.95

If you have an eta or "e" M20 head and want to run a camshaft intended for the 325i/is cars, such as a Schrick or one of our VAC Turbo cams, you're stuck.... or are you?

VAC can perform the necessary modifications to enable the use of an "i" cam in an "e" head. This service is done to the same quality all our machine work is: World class & Motorsports ready.
Just because you may have an economy eta head doesn't mean your performance has to suffer.

Please Note: This is a service; your M20 head must be sent in for this work to be completed. This is a great time to inquire on a refresh or one of our staged upgrades.
Price does not include installation of camshaft.

Visit Performance Heads to see additional products in this category.