Page 536 - 2022-23 Auto Performance Drag Racing

Push-On Style Crankcase Breathers
DRAG RACING
Chrome-plated
breathers fit 1.22"
dia. holes and
are offered in
traditional and
Mopar styles. Mopar style includes a 5/8" O.D. breather tube. Sold individually, grommet included.
Crankshaft and Camshaft Keys
Offset crankshaft and camshaft keys can increase torque and horsepower within a particular operating range. Helpful when degreeing camshaft.
MRG2054 MRG2057
MRG2068
Stock Replacement Crankshaft Keys
MRG2059
MRG6375
Part No. Description
Chevy
MRG983G
SB 283-400, Long
MRG984G
SB 283-400, Short
MRG983G
BB 396-427-454, Long
Chrysler
MRG983G
273-318-383-426 Hemi, Long
Part No. Description
Valve Cover Grommets and Plugs
Offset Crankshaft Keys Offset Camshaft Keys
TDC Whistle MRG8016MRG NEW!
TDC indicator aids location of approxi- mate TDC when performing cylinder leak testing, installing distributor, etc. Unit threads into 14mm or 18mm spark plug hole and as the engine is turned over, whistles on the compression stroke, and stops whistling at approxi- mately TDC.
Universal Degree Wheel MRG1570
Universal 7" degree wheel assures maximum accuracy during camshaft degreeing process. Includes two adapters to fit all engines.
Pro Degree Wheel MRG6120
Large 11" degree wheel has color- coded scales for instant readouts. Exhaust and intake centerlines are indicated and color coded. Universal design fits 7/16", 1/2", 5/8", and 3/4" crankshaft bolts.
Chrome-Plated Timing Tabs
Available in standard or adjustable pointer designs to simplify locating true top dead center for accurate ignition timing adjustments.
MRG2054
Push-On Breather, 5/8" O.D. PCV Tube, with Logo
MRG2057
Push-On Breather
MRG2059
Mopar Style Push-On Breather
MRG2068
Push-On Breather with Logo
MRG9810
Push-On Breather
Chevy
MRG987G
SB and BB, Short, Silver 2°
MRG988G
SB and BB, Short, Copper 4°
Chrysler
MRG987G
354-392, Silver 2°
MRG988G
354-392, Copper 4°
Pontiac
MRG987G
389-400, Silver 2°
MRG988G
389-400, Copper 4°
Molded neoprene grommets and plugs fit into cast and stamped valve covers. Sold in pairs.
Part No.
Description
MRG5425
Baffled Breather Grommets, 1.22" O.D., Pair
MRG6375
Valve Cover Plugs, 1.22" O.D.
MRG6376
(1) Valve Cover Grommet, (1) PCV Grommet
MRG6377
PCV Grommets, 1.22" OD x 3/4" I.D.
MRG6379
Ford PCV Grommets, 3/4" ID x 1" O.D.
MRG9815
Push-In Oil Filler Cap Plug, 1.22" O.D.
Crankcase Evacuation System MRG6002
Reduces crankcase pressure build-up. Includes two chrome Mopar-style, push-on valve cover breathers, two breather grommets, two check valves, and two 3-1/2" long, 45° cut/threaded tubes (welded into collectors).
Cam Button Spacers
Spacers prevent “walking” – a back and forth movement of the cam which causes
MRG1180
erratic timing.
Part No.
Description
MRG1180
265-400 Chevy, Standard Sprocket with Flat Face Timing Cover, Early Style
MRG1183
265-400 Chevy, Standard Sprocket with Indented Center Timing Cover, Late Style
MRG1181
396-427-454 Chevy, Standard Sprocket
Chevy Cam Bolt Lock Plate Kit MRG948G
Keeps camshaft gear bolts from working loose, a potential cause of engine damage. Plate fits under bolts so that tabs may be bent against bolt heads after they have been tightened. Kit includes plate and three grade 8 bolts. Fits all small and big block Chevys except 1992-96 LT-1/LT-4.
Advance and Retard Cam Bushings
Kit includes four offset bushings for advance and retard, plus a 0° bushing so stock timing can be used again. Cam sprocket dowel pin hole must be drilled.
Part No. Description
Small Block Chevy
MRG4592
MRG4600
Standard
All Exc. Below, 7" Balancer
1977-Up, 7" Balancer
MRG4597
Adjustable
Part No.
Description
Part No.
Description
7" Balancer
—
MRG4593
MRG85
283-454 Chevy and Chrysler “B” Block, 0°, 2°, 4°, 6°, 8°
MRG85B
283-454 Chevy and Chrysler “B” Block, 0°, 1°, 3°, 5°, 7°
534
Big Block Chevy
8" Balancer
MRG4598
—
8" Balancer
MRG4594
8" Balancer
MRG4599
8" Balancer
2022-23