Delkron MFG LLC

Delkron MFG LLC Since 1974 to this day, Delkron has established itself as the best in Harley-Davidson performance.

07/26/2026

We will be closed to the public till August 19th. We are doing this to catch up on orders that have already been placed. You can still send a PM for any information, but response time will be slow.

07/22/2026

If you are in Canada and are wanting to make an order, please contact Darryl at Union Motorsportz 604-991-6680.

06/01/2026

Black 94 style (OEM #60662- 94) are ready to ship. PM with your email and address for an invoice. $900 + shipping. We still have a few castings left to make silver and 90-93 style if you need them. Takes about 1-2 weeks.

FXR primaries are rolling off the mill. We still have a few left so get one before they are gone. PM with your zip code ...
05/14/2026

FXR primaries are rolling off the mill. We still have a few left so get one before they are gone. PM with your zip code for an invoice. $850 natural, $890 black + shipping

šŸ˜”This will be the last. Due to the cost of maintaining the patterns, we have decided to discontinue the FXR inner primar...
05/05/2026

šŸ˜”This will be the last.
Due to the cost of maintaining the patterns, we have decided to discontinue the FXR inner primaries. We have about 50 casting left. If you would like to place an order, please send us a PM. $850 silver, $890 black + shipping

We are now taking preorders for FXR transmission cases, 1990–1994. They will be ready to ship by the end of Jun. PM with...
04/21/2026

We are now taking preorders for FXR transmission cases, 1990–1994. They will be ready to ship by the end of Jun. PM with name, address, black or natural, and with or without speedo pick-up hole for an invoice. Natural is $875, and black is $925 + shipping. We only have a limited supply, so order now.

04/14/2026

SOLD OUT!!
We have 1 black and 1 silver 94-up FXR primaries left in stock. PM for an invoice.

SOLD OUT! Will have more available by the end of May.We have a few FXR 1994-style primaries in stock, $845.00 + shipping...
03/31/2026

SOLD OUT! Will have more available by the end of May.
We have a few FXR 1994-style primaries in stock, $845.00 + shipping. PM if interested and we can send you an invoice

03/25/2026

Did you know that Delkron has a rebuild program? We do it all in house.

SOLD OUT!ORDER NOW and have it delivered this spring. 120 Long Block Engines are starting at $7,499.99Delkron’s 120ā€ Squ...
03/25/2026

SOLD OUT!
ORDER NOW and have it delivered this spring. 120 Long Block Engines are starting at $7,499.99

Delkron’s 120ā€ Square Block engine (4.250ā€ bore with 4.250ā€ stroke) will fit the stock Harley-DavidsonĀ®
SoftailĀ® (1999 & earlier) chassis as well as Harley-DavidsonĀ® DYNAā„¢ (1998 & earlier), FXR, and FLT with no chassis modification.
Our 120ā€ yielded a modest 124 HP* and 140 lbs.* of torque at the rear wheel.
Technical Specs
Bore = 4.250ā€ X Stroke 4.250ā€ = 120ā€cu
Compression = 10.5:1
Cam Lift .600
Castings = A356-T6 Aircraft
Rocker Arm Supports = 6061T6 Billet
Pistons = Wiseco Forged Racing Pistons
Rear Wheel Horsepower = 124*
Rear Wheel Torque = 140lbs*
* Average rating, exhaust and fuel delivery affect these numbers.

Address

3230 S 550 W
Shelbyville, IN
46176

Opening Hours

Tuesday 9am - 4pm
Wednesday 9am - 4pm
Thursday 9am - 4pm
Friday 9am - 4pm

Telephone

+13178207546

Website

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