Page 593 - 2020-2021 Racecar Engineering Drag Racing Parts and Accessories Catalog

2020 DRAG RACING

NEW!
Concept 10.5" Dual Disc Clutches Hydraulic Throwout Bearings NEW!
The Concept 10.5" combines the best Bearings offer full adjustability and
features of the Force 10.5 and Pro easy set-up with single or dual-disc
Street dual-disc clutches. The 10.5" aftermarket clutches.
pressure plate offers 2,400 lbs. of Part No. Description
clamping pressure, yet maintains a RAM78136* Ford Tremec TKO/500/600
stock pedal effort and offers a quiet, RAM78137 And Top Loader
GM T5
no-rattle operation due to the strap driven floater plate system. Applications RAM78183 Dodge 5.7/6.1L,
listed utilize 300-series organic clutches that are suitable for applications Tremec 6060
with up to 750 horsepower. *Bearing retainer collar diameter must be machined to 1.370".
Part No. Application
RAM50-2125 GM 1-1/8", 26-Spline, 168T Flywheel Throwout Bearings
RAM50-2127 GM 1-1/8", 26-Spline, 153T Flywheel Part No. Description
RAM50-2220 Ford 1-1/8", 26-Spline, 164T/184T Flywheel RAM485 Early Ford, Clip Style, 1-1/16"-10
RAM50-2257 Ford 1-1/16", 10-Spline, 157T Flywheel RAM486 Early Ford, Clip Style, 1-3/8"-10
RAM50-2259 Ford 1-1/8", 26-Spline, 157T Flywheel RAM488 Early GM, Short
RAM50-2300 Chrysler 1", 23-Spline, 130T Flywheel RAM489 GM, For Use With Long Style Clutch
RAM50-2305 Chrysler 1-1/8", 26-Spline, 130T Flywheel
RAM50-2355 Chrysler 1-1/8", 26-Spline, 143T Flywheel
Powergrip Street/Strip Clutch Sets Competition Pressure Plates
A unique blend of friction materials increase clamp- Ram pressure plates are built with explosion
ing power for crisp clutch engagement and release. resistant pressure rings and are SFI approved to
Powergrip Clutches increase holding power by 80%. withstand the rigors of heavy-duty street or strip use.
Powergrip HD sets add up to 120% more clamping Part No. Description Size Bolt Circle Static Pressure
force with minimal effect on driveability. Each set RAM401 GM Diaphragm 10.5" 11.625" 3,000 Lbs.
includes clutch disc, pressure plate, and throwout bearing. RAM402 GM Diaphragm 11" 12.625" 3,000 Lbs.
Part No. Description RAM403 Borg & Beck 10.5" 11.625" 2,800 Lbs.
Powergrip Clutch Sets
RAM98730 1982-92 Camaro/Firebird, 10.5" Clutch RAM423 Borg & Beck 10.5" 11.625" 3,200 Lbs.
RAM98762 1966-72 Chevelle 350/396/402; 1966-70 Corvette 350/427, 11" Clutch RAM404 Borg & Beck 11" 12.625" 2,800 Lbs.
1967-81 Camaro 305/350/396/400; RAM414 Borg & Beck 11" 12.625" 3,200 Lbs.
RAM98764 1970-74 Chevelle 350/454; 1970-81 Corvette 350/454;
1973-79 Pontiac Firebird 400/455, 4-Speed RAM436 Long Style 11" 12.375" 2,400 Lbs.
1966-78 Dodge Charger/Challenger 318/340; RAM437 Long Style 11" 12.375" 2,800 Lbs.
RAM98766
1965-75 Plymouth Barracuda/Belvedere/Duster 273/318/340
RAM98794T 1986-95 Ford Mustang 5.0L (302), TKO Trans.
RAM98931 1997-04 Corvette; 1998-02 Camaro/Firebird, 11" Clutch, 26-Spline
Powergrip HD Clutch Set 300 Series Street/Strip Clutch Discs
RAM98794HD* 1986-95 Ford Mustang 5.0L (302), Except TKO Trans. Street/strip discs have smooth engagement, out-
* Use with a billet steel flywheel for best results.
standing performance, and long life. Each clutch
features steel backed facings and the patented
10.5" Single Sintered Iron Clutch Disc Systems
Ram poly-coil hub design.
Suited to applications with up to 1,000 horsepower, Part No. Description
single iron disc assemblies are a cost-effective clutch RAM301M 10.5" x 1-1/8"-10
system for bracket, Stock Eliminator, and fastest street RAM309M 10.5" x 1-5/32"-26
car classes. Systems use 5135 (hard) compound RAM310M 11" x 1-5/32"-26
sintered iron discs which allow the clutch to “slip”, pre- 6000 Series Competition Clutch Discs
venting the car from overpowering the tires. Pressure
plates are based on the 11" Long style, use a nodular 6000-series discs offer quick, clean shifting and
iron pressure ring, and feature significantly lower static pressure. long life for competition vehicles. Expect clutch
chatter when using these discs on the street.
Part No. Description
RAM1358 Clutch Disc, 1-3/16"-18 Spline Part No. Description
RAM1361 Clutch Disc, 1-3/8"-10 Spline RAM6129 10.5" x 1-5/32"-26
Related Components RAM6130 11" x 1-5/32"-26
RAM492 Pressure Plate Stud Set, Required
RAM550 Pressure Plate Shim Set, Required

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