Page 553 - 2019-2020 Racecar Engineering Circle Track Parts and Accessories Catalog

Throttle Return Brackets And Springs SB Chevy Fuel Pump Block-Off Plate
Chrome-plated bracket and spring help ensure proper throttle MRG1515
return for added safety. Chrome-plate steel plate covers the block
opening when mechanical pump is not used
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gines. Includes gasket.
Part No. Description
MRG19 Universal Dual Throttle Return Spring Kit
MRG3683 Throttle Return Bracket, Large
Cam Bolt Lock Plate Kit
MRG948G
Carburetor Bushing Kits Lock plate keeps camshaft gear bolts
Reduces 1/2" throttle shaft linkage holes to from working loose, a potential cause
1/4" or may be used to replace the stock rubber bushing. RI HQJLQH GDPDJH 3ODWH ¿WV XQGHU
bolts so that tabs may be bent against bolt
Part No. Description
Carburetor Bushing/Pivot Kit, heads after they have been tightened. Includes plate
MRG1512
Reduces 1/2" Hole To Accept 1/4" Dia. Throttle Rod/Cable and three grade 5 bolts.
MRG6026 Carburetor Bushing Kit, Reduces 1/2" Hole To 1/4"
Cam Button Spacers
Carburetor Spacers prevent “walking”, a back and forth
Linkage Components movement of the cam which causes erratic timing.
Assemble or customize carburetor linkage. Sold Part No. Description
in pairs. MRG1180 265-400 Chevy, Std. Sprocket
MRG3811G With Flat Face Timing Cov er, Early Style
Part No. Description
MRG3811G Quick Disconnect Ball Joint, 1/4"-28 Thread MRG1183 265-400 Chevy, Std. Sprocket
MRG3812G Standard Female Rod End, 1/4"-28 Thread With Indented Center Timing Cover, Late Style
Holley Power Valve Block-Off Plug Advance And Retard Cam Bushings
Kit includes four offset bushings for advance
MRG1510 and retard, plus a 0° bushing so stock timing
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hole must be drilled.
Part No. Description
Holley Fuel Bowl And MRG85 283-454 Chevy, 0°, 2°, 4°, 6°, 8°
Metering Block Gaskets MRG85B 283-454 Chevy, 0°, 1°, 3°, 5°, 7°
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and 2300 carburetors. Crankshaft And Camshaft Keys
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Part No. Description
MRG1509 Fuel Bowl And Metering Block Gasket Kit, (1) Each horsepower within a particular operating range.
MRG6183 Fuel Bowl Gaskets (5) Part No. Description
Stock Replacement Crankshaft Keys, Chevy
Low-Loss Fuel Fittings MRG983G SB 283-400 C.I., Long
MRG984G
SB 283-400 C.I., Short
7KLQ ZDOO EUDVV IXHO ¿WWLQJV RIIHU PD[LPXP Offset Crankshaft Keys, Chevy
ÀRZ IRU SHUIRUPDQFH DSSOLFDWLRQV 2QH ¿WWLQJ MRG987G SB and BB Short, Silver 2°
and one clamp per part number. MRG2965 MRG988G SB and BB Short, Copper 4°
Part No. Description
MRG2965 3/8" NPT Straight For 3/8" I.D. Hose Chrome-Plated Timing Tabs
MRG2966 3/8" NPT 90° For 3/8" I.D. Hose
Chrome-plated timing tabs are available in
standard and adjustable pointer designs.
Fuel Pressure Gauge Adapter Adjustable timing tabs simplify locating
Ideal for installing a fuel pressure gauge in true top-center so that super accurate
single fuel line applications. Gold anodized ignition timing adjustments can be made.
aluminum adapter has 3/8" hose ends and a 1/8" Part No. Description
NPT female connection for fuel pressure gauge. Standard Chrome Plated Timing Tabs
MRG2975 MRG4592 SB Chevy, 7" Balancer, Except Below
Part No. Description
MRG2975 Fuel Pressure Gauge Adapter MRG4600 SB Chevy, 7" Balancer, 1977-Up
MRG1561 Fuel Pressure Gauge With 1/8" NPT Male Fitting MRG4593 SB Chevy, 8" Balancer
Adjustable Chrome Plated Timing Tabs
MRG4597 SB Chevy, 7" Balancer
MRG4598 SB Chevy, 8" Balancer

2019-20 CIRCLE TRACK PARTS AND ACCESSORIES 549