Spec Wiring Harness Mandatory by Irwindale – The Nelson Specialties/ SRL Southwest Tour Series ‘spec wiring harness’is mandatory beginning June 9that Irwindale Speedway.  Contact: Nelson Specialties – 704.662.6600 – US Toll Free Number: 800.494.7532, info@nelsonspecialties.comor www.nelsonspecialties.com.

This 2018 mandate was listed in the 2017 rulebook.



Friday, June 8th– Gates 1:00pm, Crew Chief Meeting 2:20pm, Tech Opens 2:30pm, Practice 4:30pm, 6pm & 7:30pm

Saturday, June 9th– Gates 10:30am, Chapel 11:45pm, Driver’s/Spotters Meeting 12:00pm, Practice 12:55pm, Qualifying Tech 3:30pm



$200/car (No pit pass fee on Friday)


Saturday Pit Pass:

$40/SRL Members



FRIDAY TECH: All cars are required to roll through the scales on Friday anytime between 2:30pm and 7:30pm.

ENGINE TECH: If your engine or carb needs to be inspected and sealed, please respond to this email, or contact Ricky Brooks at 850-324-6821.

FUEL CELL BLADDER: The manufactures date on all fuel cell bladders must be within 7 years of current date.  The series must have record of your fuel cell being up to date and sealed.

IMPORTANT – Please have two bolts drilled to accommodate a wire seal on your fuel cell “Fill Plate”, so an SRL Official can install an “SRL Wire Seal”.

TIRES: 3035’s left side, 3045’s right side. Pre-order from Hoosier Tire West at 559-485-4612.

FUEL:SUNOCO 110 Standard is the Spec Fuel of the SPEARS Southwest Tour Series.

CANNOT LEAVE THE TRACK UNDER GREEN:  You are not allowed to leave the track under green at Irwindale Speedway at any time during practice, qualifying or the race.  Pull onto Turn 4 of the 1/3-milein a safe location, wait until the track is under yellow, and then exit as directed.

PARKING:  The Top 15 teams coming to Irwindale in the current SPEARS Southwest Tour Series championship points, and their teammates will park in order, in the first spots.  But, the order which the teams enter on Friday, is simply based on first in line, first to enter.

SOUND LIMITS: The DB rule of the SPEARS Southwest Tour Series is maximum 95dba at 100 feet at all tracks, unless the track requirements are under 95dba. Please do your work in the shop.

SPOTTER’S RADIOS: Each spotter must have a scanner, or a separate radio that will scan the SRL Race Control frequency at 460.0125. No longer may you use a radio that scans Race Control secondary, as it interferes with communication to the spotter, which then leads to directions not being heard.  If you need radio service and/or products, please contact Frank’s Radio at 800-869-9712.


REAR ENDS:  Cars utilizing a working locked rear end (i.e. a spool or similar) may deduct 50lbs off their total weight. 


HOST HOTEL: Courtyard by Marriott– 4 mi to Speedway  

14635 Baldwin Park Towne Center

Baldwin Park, CA 91706   

(626) 962-6000


Group Code:  SPEARS SW Tour Series

Group Rate:   $109.99

Cutoff Date:     May 28, 2018


Book your group rate for SPEARS SW TOUR SERIES


ADDITIONAL REMINDER INFORMATION ATTACHED:  Race Procedures, Flat Tire Procedures and Tech Inspection Process


Thank you for racing with the SPEARS SRL Southwest Tour Series …Where the Champions Race.