	Slipper Skirt X-Forging Pistons($100.00 additional charge)
	Heavy Duty Piston Pins($150.00 additional charge)
	Skirt Coating($180.00 additional charge)
	Dome Coating($180.00 additional charge)

Price: $5,699.95

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SKU:	VAC-SK-M50

DescriptionCustomer ReviewsPrice Details

Stroker kits for the M50 family of engines!

Previously introduced at the PRI Show in 2013!

Crankshaft: superb quality, made to our specs:

Machined from the best-quality steel billet
Exacting specification
No need for non-BMW bearings
Properly heat-treated and finished.

Pistons: CP specifically designed for the loads and stresses of all out race use

Exceptional quality and consistency
Your choice of specs to meet your class regulations and fuel requirements
Balanced out of the box to a high tolerance between pistons
Highly durable
Pre-clearanced for most race cams (always check Piston to valve clearance*)
Includes Rings, Pins & Locks (HD pins must be used for forced induction apps)

Connecting Rods Choice: SP Components, Arrow Precision & Carrillo.

Closely balanced out of the box
Includes ARP hardware for each rod
Best in class Strength-to-weight ratio
Proven results in this stroker kit even under endurance use

Understanding Your Stroker:

This crankshaft has a 97 mm stroke

-A bore size of 85 mm gives a displacement of 3303 cc
-A bore size of 85.5 mm gives a displacement of 3342 cc
-A bore size of 86 mm gives a displacement of 3381 cc
-A bore size of 86.5 mm gives a displacement of 3420 cc
-A bore size of 87 mm gives a displacement of 3460 cc
-A bore size of 87.5 mm gives a displacement of 3499.7 cc

Basic compression ratio outline and recomendations:
13:1 - 12.5:1      [Race use] High octane race fuel
11:1         Good for pump fuel sports and track engines
10.5:1      [OE M52] Works well low-boost (>10psi) turbos, Superchargers, etc
8.5:1 - 9.0:1 [Low CR] Recommended for boosted turbocharged engines

VAC M50 Stroker Kit includes:

VAC Crank with 97mm Stroke
(6) CP Forged Pistons; with high quality rings, pins, & locks (any compression ratio/ .5mm bore increments)
(6) Forged Connecting Rods with ARP hardware
Suitable for a street car or all out racing vehicles

VAC Tech Tip:
This is a brilliant way to get more power and torque from your M50, M52, S50, S52 U.S Engines, especially due to high RPM limits with hydraulic valve train fitted as stock to the M5x family. More power and torque without revving higher!

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Options	SKU	Price
Bore Size: 85 mm: Compression Ratio: 8.5:1: Connecting Rod Type: SP Components		$5,699.95
Bore Size: 85 mm: Compression Ratio: 8.5:1: Connecting Rod Type: Arrow Precision		$6,699.95
Bore Size: 85 mm: Compression Ratio: 8.5:1: Connecting Rod Type: Carrillo		$6,699.95
Bore Size: 85 mm: Compression Ratio: 9:1: Connecting Rod Type: SP Components		$5,699.95
Bore Size: 85 mm: Compression Ratio: 9:1: Connecting Rod Type: Arrow Precision		$6,699.95
Bore Size: 85 mm: Compression Ratio: 9:1: Connecting Rod Type: Carrillo		$6,699.95
Bore Size: 85 mm: Compression Ratio: 9.5:1: Connecting Rod Type: SP Components		$5,699.95
Bore Size: 85 mm: Compression Ratio: 9.5:1: Connecting Rod Type: Arrow Precision		$6,699.95
Bore Size: 85 mm: Compression Ratio: 9.5:1: Connecting Rod Type: Carrillo		$6,699.95
Bore Size: 85 mm: Compression Ratio: 10:1: Connecting Rod Type: SP Components		$5,699.95
Bore Size: 85 mm: Compression Ratio: 10:1: Connecting Rod Type: Arrow Precision		$6,699.95
Bore Size: 85 mm: Compression Ratio: 10:1: Connecting Rod Type: Carrillo		$6,699.95
Bore Size: 85 mm: Compression Ratio: 10.5:1: Connecting Rod Type: SP Components		$5,699.95
Bore Size: 85 mm: Compression Ratio: 10.5:1: Connecting Rod Type: Arrow Precision		$6,699.95
Bore Size: 85 mm: Compression Ratio: 10.5:1: Connecting Rod Type: Carrillo		$6,699.95

215.462.4666

sales@vacmotorsports.com

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VAC Motorsports Premium Kit, M50/M52/S50/S52, 3.3L/3.4L/3.5L