Wilwood Caliper-GP310 Red Rear 1.25in Pistons .25in Disc

Wilwood Caliper-GP310 Red Rear 1.25in Pistons .25in Disc

Marsoni

M251S

$136.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Wilwood Caliper-GP310 Red Rear 1.25in Pistons .25in DiscWilwood's GP310 Rear motorcycle disc brake caliper has been designed and engineered for use on 1984 present Harley Davidson Motorcycles. Built around a 4 piston, high performance powerhouse, this billet aluminum caliper brings distinctive, bolt on styling: Bracket mounted calipers with a standard 3. 50" mount spacing are available for all most models (except Springer and 4 speed FL models).

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I sprayed off the shutters before using. Then applied the product. It’s a thicker, white liquid. (Think lotion) it applied easily and dried quickly since it was being absorbed into the plastic shutters and aluminum windows; mine were very ‘thirsty’ from being in the direct afternoon sunlight. I like how I didn’t have to worry if one part rcvd more product than another. It blended easily. I think it looks good, but so did using other products over the years. I was told by a neighbor that this was the best product to use on them and other plastics. Time will tell if it holds up.

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Reviewed in the United States on May 1, 2026