Spencers Speed Shop

Spencers Speed Shop High Performance & Drag Race Engine Building Tech Videos. Race Cars, Hot Rods, Muscle Cars & Harley Davidson's. My specialty is Cylinder Head Porting.

Fully Stocked Speed Shop, Harley Davidson Performance work! Harley EFI & DYNO TUNING Muscle Car Tuning Early Hot Rod Builds & Chassis work Mark Spencer has been building & driving High Performance Street & Drag Race Cars since 1977. My back ground is in High Performance Street & Drag Race Engine building, development and machining. I have never worked as a Mechanic. I have always worked in the Hig

h Performance Industry. I started my full time Business in 1993 at the age of 33. My Shop is known for building Hot Rods & Harley's. All work except for Paint & Chroming is done in House by myself and my Highly Talented Steff

07/22/2026

Got fancy new billet brakes?? But you have a LOW PEDAL? Here’s a little tech tip. Mark Spencer. Spencers Speed Shop

07/20/2026

Just call me the “can of worms” kid! Mark Spencer. Spencer’s Speed Shop

Lifting Driver front wheel at the hit. It may not seem like a big thing. But to me it is. My WILLYS weighs 2800lbs, runn...
07/20/2026

Lifting Driver front wheel at the hit. It may not seem like a big thing. But to me it is. My WILLYS weighs 2800lbs, running a Pump Gas 400" '58 Chrysler Hemi with 3.72 rear gears. I don't do smokey burn-outs....

07/20/2026

A few months back. I only had 3.70 gears in the rear

07/18/2026

SPENCERS SPEED SHOP. 354 HEMI heads update. Bowl blending.

07/16/2026

"A picture is worth a thousand words" Fred R. Barnard. More Hemi Butcher work!! Mark Spencer, Spencer's Speed Shop

07/16/2026

HEMI horror show!! Just when I thought that I saw it all. This is the absolute worst performance valve work that I’ve ever seen! Look and learn. Mark Spencer, Spencer's Speed Shop

07/13/2026

More HALIBRAND Q/C info. This video should have been posted before the other one. Enjoy

07/12/2026

Inside a HALIBRAND CHAMP QUICK CHANGE REAR. This is an older video. I think it's worth a re-post. Enjoy, Mark Spencer, Spencers Speed Shop

I need to make time for a ride...
07/12/2026

I need to make time for a ride...

Address

31 Joralemon Street
Belleville, NJ
07109

Opening Hours

Tuesday 10am - 5pm
Wednesday 10am - 5pm
Thursday 10am - 5pm
Friday 10am - 5pm
Saturday 10am - 3pm

Telephone

+19734504800

Website

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