Page 493 - 2020-2021 Racecar Engineering Drag Racing Parts and Accessories Catalog

2020 DRAG RACING

Tall Cast Aluminum Valve Covers Crankcase Evacuation Sys tem
Tall design, cast aluminum valve NEW! MRG6002
covers are polished to a brilliant Reduces crankcase pressure build-up.
finish. Covers clear most aftermarket roller Includes two chrome Mopar-style, push-
rocker arms. Thick gasket rails help provide on valve cover breath ers, two breather
excellent sealing. Sold complete with grommets, two check valves, and two
necessary hardware. MRG6873G 3-1/2" long, 45° cut/threaded tubes
Part No. Description (welded into col lec tors).
MRG6858G BB Chevy 396-454, 1965-2000, (1) Hole Each Cover
MRG6873G BB Ford 429-460, 1968-97, (1) Hole Each Cover
MRG6890G Ford 351C, 351M-400, 1971-82, (1) Hole Each Cover Cam Button Spacers
Spacers prevent “walking” – a back and forth movement of the
Chrome-Plated Valve Covers cam which causes erratic timing.
MRG1180
Chrome-plated steel valve covers Part No. Description
feature tall design, which offers clear- MRG1180 265-400 Chevy, Standard Sprocket With Flat Face Timing Cov er, Early Style
ance for most roller rockers. Sold per MRG1183 265-400 Chevy, Standard Sprocket With Indented Center Timing Cover, Late Style
396-427-454 Chevy, Standard Sprocket
MRG1181
pair. Available valve cover clamps spread
clamping load and increasing sealing efficiency. Chevy Cam Bolt Lock Plate Kit
Part No. Description MRG948G
MRG9801 SB Chevy 262-400 Keeps camshaft gear bolts from working loose, a
MRG9802 BB Chevy 396-454
Related Components potential cause of engine damage. Plate fits under
MRG5019 Valve Cover Bolts, Chrome, (4) Hex Head 1/4"-20 x 3/4" Long With Washers bolts so that tabs may be bent against bolt heads
MRG9817 Valve Cover Clamps, Chrome, Competition Long, 4 Pcs. after they have been tightened. Kit includes plate and three grade 8 bolts.
MRG9899 Valve Cover Clamps, Chrome, Custom Short Style, 8 Pcs.
Fits all small and big block Chevys except 1992-96 LT-1/LT-4.
Valve Cover Hold Downs
Chrome-plated steel hold down bolts are offered in Advance And Retard Cam Bushings
“T-bar” or “Y-style” versions. Fits most popular V8’s. Kit includes four offset bushings for advance and
MRG9820
Part No. Description retard, plus a 0° bushing so stock timing can be used
MRG9820 “T-Bar” Style Hold Down Bolts, 1/4"-20 x 5" Long, 4 Pcs. again. Cam sprocket dowel pin hole must be drilled.
MRG9824 “Y-Style” Hold Down Bolts, 1/4"-20 x 5/8" Long, 4 Pcs.
Part No. Description
MRG85 283-454 Chevy And Chrysler “B” Block, 0°, 2°, 4°, 6°, 8°
Push-On Style Crankcase Breathers MRG85B 283-454 Chevy And Chrysler “B” Block, 0°, 1°, 3°, 5°, 7°
Chrome-plated breath-
ers fit 1.22" dia. holes Crankshaft And Camshaft Keys
and are offered in Offset crankshaft and camshaft keys can increase torque and horsepower
traditional and Mopar MRG2054 MRG2057 MRG2059 MRG2068 within a particular operating range. Helpful when degreeing camshaft.
styles. Mopar style includes a 5/8" O.D. breather tube. Sold individually, Part No. Description
grommet included. Stock Replacement Crankshaft Keys
Part No. Description Chevy
MRG2054 Push-On Breather, 5/8" O.D. PCV Tube, With Logo MRG983G SB 283-400, Long
MRG2057 Push-On Breather MRG984G SB 283-400, Short
MRG2059 Mopar Style Push-On Breather MRG6375 MRG983G BB 396-427-454, Long
MRG2068 Push-On Breather With Logo
MRG9810 Push-On Breather Chrysler
MRG983G 273-318-383-426 Hemi, Long
Valve Cover Grommets And Plugs Offset Crankshaft Keys
Chevy
Molded neoprene grommets and plugs fit into cast and MRG987G SB And BB, Short, Silver 2°
stamped valve covers. Sold in pairs. MRG988G SB And BB, Short, Copper 4°
Part No. Description Offset Camshaft Keys
MRG5425 Baffled Breather Grommets, 1.22" OD, Pair Chrysler
MRG6375 Valve Cover Plugs, 1.22" OD
MRG6376 (1) Valve Cover Grommet, (1) PCV Grommet MRG987G 354-392, Silver 2°
MRG6377 PCV Grommets, 1.22" OD x 3/4" ID MRG988G 354-392, Copper 4°
MRG6379 Ford PCV Grommets, 3/4" ID x 1" OD Pontiac
MRG9815 Push-In Oil Filler Cap Plug, 1.22" OD MRG987G 389-400, Silver 2°
MRG988G 389-400, Copper 4°

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