Mazda RX7 1.3L Flywheel External Counterweight 59oz. Pinit $125.00 SKU: PCE614.1001 When employing a lighter flywheel a counterweight to maintain balance will be required to improve engine response and acceleration. Quantity -+ Add to Cart Details Brand: PCE Part Number: PCE614.1001 Part Type: Flywheel Counterweights Weight: 59oz. Engine Balance: External Quantity: Sold Individua... DetailsBackDetailsBrand:PCEPart Number:PCE614.1001Part Type:Flywheel CounterweightsWeight:59oz.Engine Balance:ExternalQuantity:Sold IndividuallySee MoreSee Less