Page 290 - 2018 Master Catalog

RACE FLO / RACE MASTER VALVES
LS-1 / LS-2 (LS-6 Head) Small Block Chevy
• XH-426 Stainless Exhaust Material • NK-842 Stainless Intake Material
• Chrome Stems and Hard Tips • Swirl Polished and Machined
• Intakes are “Pro-Flo” for Improved Flow • O.E. Style Radius Keeper Grooves
HEAD INSTALLED O / A TIP UNDERHEAD SEAT TOP OF WGT/
PART NO. TYPE DIA. STEM DIA. HEIGHT LENGTH LENGTH ANGLE / RADIUS MARGIN WIDTH HEAD GRAMS

11361-8 Exh. 1.550 .3136 Stock 4.923 .175 25° x 7/16” .065 .115 18° Dish 87
11365-8 Exh. 1.600 .3136 Stock 4.923 .175 25° x 7/16” .065 .115 18° Dish 91
11360-8 Int. 2.000 .3133 Stock 4.874 .175 Pro Flo: 12° x 3/8” .050 .095 7° Dish 103
11362-8 Int. 2.020 .3133 Stock 4.874 .175 Pro Flo: 12° x 3/8” .050 .095 7° Dish 105
11390-8 Int. 2.055 .3133 Stock 4.874 .175 Pro Flo: 12° x 3/8” .050 .095 7° Dish 106
11350-8 Int. 2.080 .3133 Stock 4.874 .175 Pro Flo: 12° x 3/8” .050 .095 7° Dish 107

LS-3 / L-99 (L-92 Head) Small Block Chevy
HEAD INSTALLED O / A TIP UNDERHEAD SEAT TOP OF WGT/
PART NO. TYPE DIA. STEM DIA. HEIGHT LENGTH LENGTH ANGLE / RADIUS MARGIN WIDTH HEAD GRAMS

11621-8 Exh. 1.590 .3136 Stock 4.923 .160 25° x 7/16” .070 .115 18° Dish 93
11620-8 Int. 2.165 .3133 Stock 4.900 .160 Pro Flo: 12° x 3/8” .055 .100 7° Dish 117

SEVERE DUTY / PRO FLO / RACE MASTER VALVES
LS-7 Small Block Chevy
• Chrome Stems and Hard Tips • Swirl Polished and Machined
• Intakes are “Pro-Flo” for Improved Flow • O.E. Style Radius Keeper Grooves
HEAD INSTALLED O / A TIP UNDERHEAD SEAT TOP OF WGT/
PART NO. TYPE DIA. STEM DIA. HEIGHT LENGTH LENGTH ANGLE / RADIUS MARGIN WIDTH HEAD GRAMS

11679-8 Exh. 1.615 .3136 Stock 5.230 .290 25° x 7/16” .075 .100 18° Dish 103
11688-8 Int. 2.205 .3133 Stock 5.200 .300 Pro Flo: 12° x 3/8” .050 .100 7° Dish 120

RACE FLO VALVES
Small Block Chevy
• XH-426 Stainless Exhaust Material • NK-842 Stainless Intake Material
• Chrome Stems and Hard Tips • Swirl Polished and Machined
• Intakes are “Pro-Flo” for Improved Flow • O.E. Style Radius Keeper Grooves
HEAD INSTALLED O / A TIP UNDERHEAD SEAT TOP OF WGT/
PART NO. TYPE DIA. STEM DIA. HEIGHT LENGTH LENGTH ANGLE / RADIUS MARGIN WIDTH HEAD GRAMS

11565-8 Exh. 1.600 .3415 Stock 4.911 .250 Pro Flo: 12° x 3/8” .060 .100 7° Dish 94
11545-8 Exh. 1.600 .3415 .100 Longer 5.065 .290 Pro Flo: 15° x 1/2” .090 .100 9° Dish 95
11522-8 Int. 1.940 .3415 Stock 4.911 .250 Pro Flo: 10° x 3/8” .050 .080 5° Dish 107
11566-8 Int. 2.020 .3415 Stock 4.911 .250 Pro Flo: 12° x 3/8” .050 .080 5° Dish 113
11796-8 Int. 2.020 .3415 .100 Longer 5.040 .290 Pro Flo: 12° x 3/8” .065 .080 7° Dish 115

RACE MASTER VALVES
Small Block Chevy
HEAD INSTALLED O / A TIP UNDERHEAD SEAT TOP OF WGT/
PART NO. TYPE DIA. STEM DIA. HEIGHT LENGTH LENGTH ANGLE / RADIUS MARGIN WIDTH HEAD GRAMS

11863-8 Exh. 1.600 .3415 Stock 4.951 .290 15° x 1/2” .060 .100 9° Dish 102
11877-8 Exh. 1.600 .3415 .100 Longer 5.065 .290 15° x 1/2” .090 .100 9° Dish 109
11864-8 Int. 2.020 .3415 Stock 4.951 .290 10° x 3/8” .050 .080 5° Dish 114
11318-8 Int. 2.020 .3415 .100 Longer 5.040 .290 10° x 3/8” .050 .080 5° Dish 116
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