Ford 260-289-302 V8
PERFORMER RPM 302 (1500-6500 rpm)
Designed for street 289-302 c.i.d. Ford V8s. This dual-plane high rise manifold has excellent high rpm power while retaining throttle response. #7121 is stock replacement/street legal part for Shelby Mustangs with 289 c.i.d. V8 with OEM 4V carb; 1965-66. No provisions for exhaust heated choke. Available with standard finish or polished. Aftermarket 4-bbl carbs are not compatible with Ford Auto Overdrive Transmission (AOD) unless used with Lokar bracket SRK-4000, see note at bottom of this page. Available with standard finish or polished.

Carburetor Recommendations: Edelbrock Thunder Series AVS or Performer Series carb, 600-750 cfm , for auto. trans. use our #1483 & #1490 or #1844 & #1845

Installation Notes: Will not fit 255 c.i.d. V8. Recommended intake gasket: Edelbrock #7220. Manifold Height: A-4.30", B-5.50" see A/B Measurements. Port exit dimensions: 1.05" x 1.86".

Chrysler 413-440 V8
PERFORMER RPM 440 (1500-6500 rpm)
Designed for 413-426-440 c.i.d. Chrysler V8s. Dual-plane design results in excellent low-rpm torque and outstanding high-rpm hp. For high-performance street/strip applications. Will not fit 1962-64 Max Wedge heads.

Carburetor Recommendations: Edelbrock Thunder Series AVS or Performer Series carb, 650-800 cfm, use our #1481 or #1843 Throttle/Transmission Lever Kit.

Installation Notes: Recommended intake gasket: #7225. Manifold height: A-4.90", B-5.80" see A/B Measurements. Manifold is 1.7" taller than stock. Port exit dimensions: 1.13" x 2.09". Manifold measure 8.75" across block.

Oldsmobile 307-403 V8
PERFORMER RPM OLDS 350 (1500-6500 rpm)
Designed for 330-350-403 c.i.d. Oldsmobiles and 1980-1/2 to 1985 307 c.i.d. engines with 5A heads (casting #3317). The Performer RPM Olds manifold is a high-rise, dual-plane design with 180° firing order engineered for maximum top-end horsepower while maintaining throttle response. Port flange has extra material above the runner for use with cast iron 455 heads and Edelbrock Performer RPM heads #60519. Has clearance for HEI distributor. Carb pad accepts square-bore carbs without adapters.

Carburetor Recommendations: Edelbrock Thunder Series AVS or Performer Series carb, 650-800 cfm

Installation Notes: Recommended intake gasket: Fel-Pro #MS96027. No provision for OEM choke. Will not clear hood on 403 Olds, Firebird/TA. OEM carb requires conversion to electric/manual choke. Manifold Height: 2" taller than stock A-4.80", B-5.80"; Carb pad height: 5.30" see A/B Measurements. Port exit dimensions: 1.22" x 1.86".

Chevrolet 396-502 V8
PERFORMER RPM 2-O (1500-6500 rpm)
Designed for street 396-502 c.i.d. Chevy V8s with large oval-port cylinder heads (1975 and earlier). This manifold offers the latest technology in dual-plane high rise design and builds outstanding horsepower while maintaining good torque and driveability. No provisions for exhaust heated chokes. Accepts late-model waterneck, air-conditioning, alternator and HEI equipment. Will not fit under stock hood of Corvette, 1965-67 Chevelle, or 1967-81 Camaro.

Carburetor Recommendations: Edelbrock Thunder Series AVS or Performer Series carb, 650-800 cfm, use bracket #8031 for 1972-7.

Installation Notes: Recommended intake gasket: Edelbrock #7203. Manifold height: A-4.45", B-6.0", see A/B Measurements. Port exit dimensions: 1.60" x 1.94".

Chevrolet 262-400 Small-Block V8
PERFORMER RPM VORTEC (1500-6500 rpm)
Based on the highly successful and powerful Edelbrock #7101, this single four-barrel intake is designed for the street rod, marine and engine swap market utilizing 262-400 c.i.d. Chevy V8s with 1996 and later Vortec (L31) cast iron or the Edelbrock E-Tec aluminum heads. An external water bypass boss is machined into the front of the water crossover for use on 1996 and later Vortec production engines. Manifold accepts square-bore carbs only. For street and marine engines operating from idle-5500 rpm, see the Performer Vortec manifold. Will not fit under stock Corvette hood. Available with standard finish or polished.

Carburetor Recommendations: Edelbrock Thunder Series AVS or Performer Series carb, 650-800 cfm , use bracket #8032 for 1972-78.

Installation Notes: Recommended intake gasket: Edelbrock #7235 or GM #89017465.

Manifold height: A-4.20", B-5.25" see A/B Measurements. Port exit dimensions: 2.05" tall (odd shaped width). Stock brackets will require modification to fit the upright manifold bolt holes. Use Edelbrock Vortec throttle bracket #8032, see Throttle Brackets and Hardware

Pontiac 326-455 V8
PERFORMER RPM PONTIAC (1500-6500 rpm)
Designed for 1965-79 street 326-455 c.i.d. Pontiac V8s (except Ram Air V). Will not fit 265/301 V8s. Provides maximum high-rpm power while maintaining good throttle response for street. Recommended for high-performance street, strip and marine. Has clearance for HEI distributor. Will not fit under Trans Am Shaker hood without modifications.

Carburetor Recommendations: Edelbrock Thunder Series AVS or Performer Series carb, 650-800 cfm.

Installation Notes: Recommended intake gasket: Edelbrock #7280. No provisions for OEM choke. OEM carb requires conversion to electric/manual choke. For 1968-71 use #8015 throttle bracket. Manifold height: 1-1/4" taller than stock, A-6.88", B-8.00" (measured to engine block), see A/B Measurements. Port exit dimensions: 1.10" x 2.06".

Chevrolet 262-400 Small-Block V8
PERFORMER RPM LS1 (1500-6500 rpm)
For Chevrolet LS1 V8
This powerful new manifold is designed for the popular Chevrolet LS1 (5.7L) small-block V8 originally used in 1997 and later Corvettes and 1998-02 Camaros and Firebirds. It also fits the Corvette LS6 engine and any other Gen III engine including the LM7 (5.3L), LR4 (4.8L), and LQ4 (6.0L). It allows the use of a carburetor on these originally computer-controlled engines, offering maximum power and a broad torque curve from 1500 to 6500 rpm. This manifold made 410 hp and 418 ft/lbs. of torque in dyno tests with our matching cam #2215 and Performer Series carb #1413. The Performer RPM LS1 includes a wiring harness and unique electronic Timing Control Module made by MSDŽ which works with OE sensors to fire the coil-on-plug ignition system and offers a choice of six timing curves. A special throttle and trans bracket that works with 700R-4, 200R-4 and Turbo 350 transmissions is included, making the LS1 engine an easy retro-fit into any muscle car, street rod or marine application.

Carburetor Recommendations for the Performer RPM Vortec: Edelbrock Thunder Series AVS or Performer Series carb, 600-800 cfm.

Installation Notes: Uses LS1/LS6 style individual port o-ring seals. Crankshaft sleeve #HP3795 and Flexplate #HP4004 is recommended when using a TH350, TH400 or 700R4 on a LS1; these items are available through Hughes Performance retailers or you can call Hughes at 800-274-RACE.

Manifold height: A-4.50", B-5.40" see A/B Measurements. Port exit dimensions: .98" x 2.72".

Chrysler 318/360 V8
PERFORMER RPM 340/360 (1500-6500 rpm)
Designed for 340-360 c.i.d. Chrysler V8s and 318 c.i.d. engines with 340-360 cylinder heads. Latest technology in dual-plane design results in both excellent low-rpm torque and outstanding high-rpm horsepower. Recommended for high-performance street, strip and fresh water marine applications. Accepts 1975 and earlier waterneck only. Will not accept stock Thermo-Quad carburetor. Will not fit 1992 and later Magnum engines. Match with Performer heads #60779 for maximum performance.

Carburetor Recommendations: Edelbrock Thunder Series AVS or Performer Series carb, 650-800 cfm, use our #1481 or #1843 Throttle/Transmission Lever Ki.

Installation Notes: Recommended intake gasket: Edelbrock #7276, Fel-Pro #1213, Chrysler #4397642 (or equivalent) for 340 & 360. Manifold height: A-4.9", B-5.8" see A/B Measurements. Port exit dimensions: 1.01" x 2.17". 1979 & later rotary A/C compressor will not clear waterneck.