Welded Chamber Mufflers
What it is: Welded chamber mufflers from Speedway Motors.
Why you care: Speedway Motors is introducing its innovative two-chamber welded mufflers to the company’s already expansive product catalog. Designed to increase horsepower and torque and to summon a throaty exhaust note for hot rods, muscle cars, classics, or vintage trucks, the fully welded casing is constructed of 16-gauge steel to provide maximum durability without internal packing to blow out or burn up. Finished in a high-temperature black coating, the units are available in several sizes, including 2.25-, 2.5-, and 3-inch inlets and outlets with a variety of centered or offset orientations.
How much: Prices start at $49.99 per muffler
Learn more: Speedway Motors, 800/979-0122; SpeedwayMotors.com
Adjustable Pushrods For LS Engines
What it is: Comp Camps XD-A adjustable pushrods.
Why you care: Designed to reduce weight and improve accuracy, Comp Cams’ new award-winning, adjustable pushrods allow for accurate setting of lash or preload when using a non-adjustable style of rockers. The pushrods are manufactured especially for engines with low-mass rocker arms and light valvetrain, and are currently only available with drop-in fitment for GM LS engines. The system provides increased valvetrain stability, can withstand more than 9,000 rpm in solid-roller configurations, delivers a 90-percent increase in bending stiffness, and allows for lightening of rocker arms by 30-plus grams on the backside with the adjuster and support removed.
How much: Not available at press time
Learn more: Comp Cams, 800/999-0853; CompCams.com
OEM Replacement Flexplates
What it is: One-piece, lightweight flexplates for BBC/SBC and GM LS applications from TCI.
Why you care: TCI Automotive is offering a new one-piece flexplate designed for high-rpm small-block and big-block Chevrolet and GM LS applications. Manufactured as a heavy-duty OEM replacement that will accept a converter, the flexplates are forged from 4140 steel with an SFI-certified rating of 29.2. Characteristics include a hobbed-on ring gear, laser-welded converter spacers, gas nitrading to increase hardness and strength, and CNC-milled pockets and lightening holes to further reduce the mass and overall drop weight of flexplates. SBC/BBC flexplates weigh in at 5.3 pounds, and the GM LS is 6.11 pounds. Both configurations can withstand more than 12,000 rpm.
How much: From $299.99 to$369.95
Learn more: TCI Automotive, 888/776-9824; TCIauto.com
Lightweight Dry-Sump Pumps
What it is: Moroso’s dry-sump pumps available for three-, four-, five-, and six-stage fuel-pump drives.
Why you care: With a spur gear pressure section based off Moroso’s billet wet-sump pump design and built-in variable spring rates that optimize 1.200 oil pressures for reliable readings, the rear 3/8-inch hex fuel pump drives have a 1:1 ratio to accept 1.450 ID, three-bolt, fuel pump swivel clamps. The tri-lobe aluminum 1.700 scavenge sections, available in multiple No. 16 outlet options, allow for increased flow back to the dry-sump tank and/or fitment requirement, depending on the application. An added benefit is the reduction in weight, with nearly half the bulk of geroter pumps, and it requires up to 40-percent less power to drive. Designed with a driver-side/left-side door-car-style bracket, all fittings are included for the three-, four-, five-, and six-stage kits.
How much: Approximately $1,450 to $2,560, depending on the application
Learn more: Moroso Performance Products; 203/453-6571; Moroso.com
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